--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perl-5.22.2/config_h.SH	Sat May 14 14:54:38 2016 +0000
@@ -0,0 +1,5212 @@
+#!/bin/sh
+#
+# THIS IS A GENERATED FILE
+# DO NOT HAND-EDIT
+#
+# See Porting/config_h.pl
+
+: Set up for generating config_h.SH
+case "$CONFIG_SH" in
+'') CONFIG_SH=config.sh;;
+esac
+case "$CONFIG_H" in
+'') CONFIG_H=config.h;;
+esac
+case $PERL_CONFIG_SH in
+'')
+	if test -f $CONFIG_SH; then TOP=.;
+	elif test -f ../$CONFIG_SH; then TOP=..;
+	elif test -f ../../$CONFIG_SH; then TOP=../..;
+	elif test -f ../../../$CONFIG_SH; then TOP=../../..;
+	elif test -f ../../../../$CONFIG_SH; then TOP=../../../..;
+	else
+		echo "Can't find $CONFIG_SH."; exit 1
+	fi
+	. $TOP/$CONFIG_SH
+	;;
+esac
+case "$0" in
+*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
+esac
+case "$CONFIG_H" in
+already-done) echo "Not re-extracting config.h" ;;
+*)
+echo "Extracting $CONFIG_H (with variable substitutions)"
+sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un-def!#undef!'
+/* This file was produced by running the config_h.SH script, which
+ * gets its values from $CONFIG_SH, which is generally produced by
+ * running Configure.
+ *
+ * Feel free to modify any of this as the need arises.  Note, however,
+ * that running config_h.SH again will wipe out any changes you've made.
+ * For a more permanent change edit $CONFIG_SH and rerun config_h.SH.
+ */
+
+/* Package name      : $package
+ * Source directory  : $src
+ * Configuration time: $cf_time
+ * Configured by     : $cf_by
+ * Target system     : $myuname
+ */
+
+#ifndef _config_h_
+#define _config_h_
+
+/* LOC_SED:
+ *	This symbol holds the complete pathname to the sed program.
+ */
+#define LOC_SED 	"$full_sed"	/**/
+
+/* HAS_ALARM:
+ *	This symbol, if defined, indicates that the alarm routine is
+ *	available.
+ */
+#$d_alarm HAS_ALARM		/**/
+
+/* HAS_BCMP:
+ *	This symbol is defined if the bcmp() routine is available to
+ *	compare blocks of memory.
+ */
+#$d_bcmp HAS_BCMP	/**/
+
+/* HAS_BCOPY:
+ *	This symbol is defined if the bcopy() routine is available to
+ *	copy blocks of memory.
+ */
+#$d_bcopy HAS_BCOPY	/**/
+
+/* HAS_BZERO:
+ *	This symbol is defined if the bzero() routine is available to
+ *	set a memory block to 0.
+ */
+#$d_bzero HAS_BZERO	/**/
+
+/* HAS_CBRT:
+ *	This symbol, if defined, indicates that the cbrt() (cube root)
+ *	function is available.
+ */
+#$d_cbrt HAS_CBRT	/**/
+
+/* HAS_CHOWN:
+ *	This symbol, if defined, indicates that the chown routine is
+ *	available.
+ */
+#$d_chown HAS_CHOWN		/**/
+
+/* HAS_CHROOT:
+ *	This symbol, if defined, indicates that the chroot routine is
+ *	available.
+ */
+#$d_chroot HAS_CHROOT		/**/
+
+/* HAS_CHSIZE:
+ *	This symbol, if defined, indicates that the chsize routine is available
+ *	to truncate files.  You might need a -lx to get this routine.
+ */
+#$d_chsize	HAS_CHSIZE		/**/
+
+/* HAS_CRYPT:
+ *	This symbol, if defined, indicates that the crypt routine is available
+ *	to encrypt passwords and the like.
+ */
+#$d_crypt HAS_CRYPT		/**/
+
+/* HAS_CTERMID:
+ *	This symbol, if defined, indicates that the ctermid routine is
+ *	available to generate filename for terminal.
+ */
+#$d_ctermid HAS_CTERMID		/**/
+
+/* HAS_CUSERID:
+ *	This symbol, if defined, indicates that the cuserid routine is
+ *	available to get character login names.
+ */
+#$d_cuserid HAS_CUSERID		/**/
+
+/* HAS_DBL_DIG:
+ *	This symbol, if defined, indicates that this system's <float.h>
+ *	or <limits.h> defines the symbol DBL_DIG, which is the number
+ *	of significant digits in a double precision number.  If this
+ *	symbol is not defined, a guess of 15 is usually pretty good.
+ */
+#$d_dbl_dig HAS_DBL_DIG 	/**/
+
+/* HAS_DIFFTIME:
+ *	This symbol, if defined, indicates that the difftime routine is
+ *	available.
+ */
+#$d_difftime HAS_DIFFTIME		/**/
+
+/* HAS_DLERROR:
+ *	This symbol, if defined, indicates that the dlerror routine is
+ *	available to return a string describing the last error that
+ *	occurred from a call to dlopen(), dlclose() or dlsym().
+ */
+#$d_dlerror HAS_DLERROR	/**/
+
+/* HAS_DUP2:
+ *	This symbol, if defined, indicates that the dup2 routine is
+ *	available to duplicate file descriptors.
+ */
+#$d_dup2 HAS_DUP2	/**/
+
+/* HAS_FCHMOD:
+ *	This symbol, if defined, indicates that the fchmod routine is available
+ *	to change mode of opened files.  If unavailable, use chmod().
+ */
+#$d_fchmod HAS_FCHMOD		/**/
+
+/* HAS_FCHOWN:
+ *	This symbol, if defined, indicates that the fchown routine is available
+ *	to change ownership of opened files.  If unavailable, use chown().
+ */
+#$d_fchown HAS_FCHOWN		/**/
+
+/* HAS_FCNTL:
+ *	This symbol, if defined, indicates to the C program that
+ *	the fcntl() function exists.
+ */
+#$d_fcntl HAS_FCNTL		/**/
+
+/* HAS_FGETPOS:
+ *	This symbol, if defined, indicates that the fgetpos routine is
+ *	available to get the file position indicator, similar to ftell().
+ */
+#$d_fgetpos HAS_FGETPOS	/**/
+
+/* HAS_FLOCK:
+ *	This symbol, if defined, indicates that the flock routine is
+ *	available to do file locking.
+ */
+#$d_flock HAS_FLOCK		/**/
+
+/* HAS_FORK:
+ *	This symbol, if defined, indicates that the fork routine is
+ *	available.
+ */
+#$d_fork HAS_FORK		/**/
+
+/* HAS_FSETPOS:
+ *	This symbol, if defined, indicates that the fsetpos routine is
+ *	available to set the file position indicator, similar to fseek().
+ */
+#$d_fsetpos HAS_FSETPOS	/**/
+
+/* HAS_GETTIMEOFDAY:
+ *	This symbol, if defined, indicates that the gettimeofday() system
+ *	call is available for a sub-second accuracy clock. Usually, the file
+ *	<sys/resource.h> needs to be included (see I_SYS_RESOURCE).
+ *	The type "Timeval" should be used to refer to "struct timeval".
+ */
+#$d_gettimeod HAS_GETTIMEOFDAY	/**/
+#ifdef HAS_GETTIMEOFDAY
+#define Timeval struct timeval	/* Structure used by gettimeofday() */
+#endif
+
+/* HAS_GETGROUPS:
+ *	This symbol, if defined, indicates that the getgroups() routine is
+ *	available to get the list of process groups.  If unavailable, multiple
+ *	groups are probably not supported.
+ */
+#$d_getgrps HAS_GETGROUPS		/**/
+
+/* HAS_GETLOGIN:
+ *	This symbol, if defined, indicates that the getlogin routine is
+ *	available to get the login name.
+ */
+#$d_getlogin HAS_GETLOGIN		/**/
+
+/* HAS_GETPGID:
+ *	This symbol, if defined, indicates to the C program that 
+ *	the getpgid(pid) function is available to get the
+ *	process group id.
+ */
+#$d_getpgid HAS_GETPGID		/**/
+
+/* HAS_GETPGRP2:
+ *	This symbol, if defined, indicates that the getpgrp2() (as in DG/UX)
+ *	routine is available to get the current process group.
+ */
+#$d_getpgrp2 HAS_GETPGRP2		/**/
+
+/* HAS_GETPPID:
+ *	This symbol, if defined, indicates that the getppid routine is
+ *	available to get the parent process ID.
+ */
+#$d_getppid HAS_GETPPID		/**/
+
+/* HAS_GETPRIORITY:
+ *	This symbol, if defined, indicates that the getpriority routine is
+ *	available to get a process's priority.
+ */
+#$d_getprior HAS_GETPRIORITY		/**/
+
+/* HAS_INET_ATON:
+ *	This symbol, if defined, indicates to the C program that the
+ *	inet_aton() function is available to parse IP address "dotted-quad"
+ *	strings.
+ */
+#$d_inetaton HAS_INET_ATON		/**/
+
+/* HAS_KILLPG:
+ *	This symbol, if defined, indicates that the killpg routine is available
+ *	to kill process groups.  If unavailable, you probably should use kill
+ *	with a negative process number.
+ */
+#$d_killpg HAS_KILLPG	/**/
+
+/* HAS_LINK:
+ *	This symbol, if defined, indicates that the link routine is
+ *	available to create hard links.
+ */
+#$d_link HAS_LINK	/**/
+
+/* HAS_LOCALECONV:
+ *	This symbol, if defined, indicates that the localeconv routine is
+ *	available for numeric and monetary formatting conventions.
+ */
+#$d_locconv HAS_LOCALECONV	/**/
+
+/* HAS_LOCKF:
+ *	This symbol, if defined, indicates that the lockf routine is
+ *	available to do file locking.
+ */
+#$d_lockf HAS_LOCKF		/**/
+
+/* HAS_LSTAT:
+ *	This symbol, if defined, indicates that the lstat routine is
+ *	available to do file stats on symbolic links.
+ */
+#$d_lstat HAS_LSTAT		/**/
+
+/* HAS_MBLEN:
+ *	This symbol, if defined, indicates that the mblen routine is available
+ *	to find the number of bytes in a multibye character.
+ */
+#$d_mblen HAS_MBLEN		/**/
+
+/* HAS_MBSTOWCS:
+ *	This symbol, if defined, indicates that the mbstowcs routine is
+ *	available to convert a multibyte string into a wide character string.
+ */
+#$d_mbstowcs	HAS_MBSTOWCS		/**/
+
+/* HAS_MBTOWC:
+ *	This symbol, if defined, indicates that the mbtowc routine is available
+ *	to convert a multibyte to a wide character.
+ */
+#$d_mbtowc HAS_MBTOWC		/**/
+
+/* HAS_MEMCMP:
+ *	This symbol, if defined, indicates that the memcmp routine is available
+ *	to compare blocks of memory.
+ */
+#$d_memcmp HAS_MEMCMP	/**/
+
+/* HAS_MEMCPY:
+ *	This symbol, if defined, indicates that the memcpy routine is available
+ *	to copy blocks of memory.
+ */
+#$d_memcpy HAS_MEMCPY	/**/
+
+/* HAS_MEMMOVE:
+ *	This symbol, if defined, indicates that the memmove routine is available
+ *	to copy potentially overlapping blocks of memory. This should be used
+ *	only when HAS_SAFE_BCOPY is not defined. If neither is there, roll your
+ *	own version.
+ */
+#$d_memmove HAS_MEMMOVE	/**/
+
+/* HAS_MEMSET:
+ *	This symbol, if defined, indicates that the memset routine is available
+ *	to set blocks of memory.
+ */
+#$d_memset HAS_MEMSET	/**/
+
+/* HAS_MKDIR:
+ *	This symbol, if defined, indicates that the mkdir routine is available
+ *	to create directories.  Otherwise you should fork off a new process to
+ *	exec /bin/mkdir.
+ */
+#$d_mkdir HAS_MKDIR		/**/
+
+/* HAS_MKFIFO:
+ *	This symbol, if defined, indicates that the mkfifo routine is
+ *	available to create FIFOs. Otherwise, mknod should be able to
+ *	do it for you. However, if mkfifo is there, mknod might require
+ *	super-user privileges which mkfifo will not.
+ */
+#$d_mkfifo HAS_MKFIFO		/**/
+
+/* HAS_MKTIME:
+ *	This symbol, if defined, indicates that the mktime routine is
+ *	available.
+ */
+#$d_mktime HAS_MKTIME		/**/
+
+/* HAS_MSYNC:
+ *	This symbol, if defined, indicates that the msync system call is
+ *	available to synchronize a mapped file.
+ */
+#$d_msync HAS_MSYNC		/**/
+
+/* HAS_MUNMAP:
+ *	This symbol, if defined, indicates that the munmap system call is
+ *	available to unmap a region, usually mapped by mmap().
+ */
+#$d_munmap HAS_MUNMAP		/**/
+
+/* HAS_NICE:
+ *	This symbol, if defined, indicates that the nice routine is
+ *	available.
+ */
+#$d_nice HAS_NICE		/**/
+
+/* HAS_PATHCONF:
+ *	This symbol, if defined, indicates that pathconf() is available
+ *	to determine file-system related limits and options associated
+ *	with a given filename.
+ */
+/* HAS_FPATHCONF:
+ *	This symbol, if defined, indicates that pathconf() is available
+ *	to determine file-system related limits and options associated
+ *	with a given open file descriptor.
+ */
+#$d_pathconf HAS_PATHCONF		/**/
+#$d_fpathconf HAS_FPATHCONF		/**/
+
+/* HAS_PAUSE:
+ *	This symbol, if defined, indicates that the pause routine is
+ *	available to suspend a process until a signal is received.
+ */
+#$d_pause HAS_PAUSE		/**/
+
+/* HAS_PIPE:
+ *	This symbol, if defined, indicates that the pipe routine is
+ *	available to create an inter-process channel.
+ */
+#$d_pipe HAS_PIPE		/**/
+
+/* HAS_POLL:
+ *	This symbol, if defined, indicates that the poll routine is
+ *	available to poll active file descriptors.  Please check I_POLL and
+ *	I_SYS_POLL to know which header should be included as well.
+ */
+#$d_poll HAS_POLL		/**/
+
+/* HAS_READDIR:
+ *	This symbol, if defined, indicates that the readdir routine is
+ *	available to read directory entries. You may have to include
+ *	<dirent.h>. See I_DIRENT.
+ */
+#$d_readdir HAS_READDIR		/**/
+
+/* HAS_SEEKDIR:
+ *	This symbol, if defined, indicates that the seekdir routine is
+ *	available. You may have to include <dirent.h>. See I_DIRENT.
+ */
+#$d_seekdir HAS_SEEKDIR		/**/
+
+/* HAS_TELLDIR:
+ *	This symbol, if defined, indicates that the telldir routine is
+ *	available. You may have to include <dirent.h>. See I_DIRENT.
+ */
+#$d_telldir HAS_TELLDIR		/**/
+
+/* HAS_REWINDDIR:
+ *	This symbol, if defined, indicates that the rewinddir routine is
+ *	available. You may have to include <dirent.h>. See I_DIRENT.
+ */
+#$d_rewinddir HAS_REWINDDIR		/**/
+
+/* HAS_READLINK:
+ *	This symbol, if defined, indicates that the readlink routine is
+ *	available to read the value of a symbolic link.
+ */
+#$d_readlink HAS_READLINK		/**/
+
+/* HAS_REGCOMP:
+ *	This symbol, if defined, indicates that the regcomp() routine is
+ *	available to do some regular patern matching (usually on POSIX.2
+ *	conforming systems).
+ */
+#$d_regcomp HAS_REGCOMP		/* POSIX.2 */
+
+/* HAS_RENAME:
+ *	This symbol, if defined, indicates that the rename routine is available
+ *	to rename files.  Otherwise you should do the unlink(), link(), unlink()
+ *	trick.
+ */
+#$d_rename HAS_RENAME	/**/
+
+/* HAS_RMDIR:
+ *	This symbol, if defined, indicates that the rmdir routine is
+ *	available to remove directories. Otherwise you should fork off a
+ *	new process to exec /bin/rmdir.
+ */
+#$d_rmdir HAS_RMDIR		/**/
+
+/* HAS_SELECT:
+ *	This symbol, if defined, indicates that the select routine is
+ *	available to select active file descriptors. If the timeout field
+ *	is used, <sys/time.h> may need to be included.
+ */
+#$d_select HAS_SELECT	/**/
+
+/* HAS_SETEGID:
+ *	This symbol, if defined, indicates that the setegid routine is available
+ *	to change the effective gid of the current program.
+ */
+#$d_setegid HAS_SETEGID		/**/
+
+/* HAS_SETEUID:
+ *	This symbol, if defined, indicates that the seteuid routine is available
+ *	to change the effective uid of the current program.
+ */
+#$d_seteuid HAS_SETEUID		/**/
+
+/* HAS_SETGROUPS:
+ *	This symbol, if defined, indicates that the setgroups() routine is
+ *	available to set the list of process groups.  If unavailable, multiple
+ *	groups are probably not supported.
+ */
+#$d_setgrps HAS_SETGROUPS		/**/
+
+/* HAS_SETLINEBUF:
+ *	This symbol, if defined, indicates that the setlinebuf routine is
+ *	available to change stderr or stdout from block-buffered or unbuffered
+ *	to a line-buffered mode.
+ */
+#$d_setlinebuf HAS_SETLINEBUF		/**/
+
+/* HAS_SETLOCALE:
+ *	This symbol, if defined, indicates that the setlocale routine is
+ *	available to handle locale-specific ctype implementations.
+ */
+#$d_setlocale HAS_SETLOCALE	/**/
+
+/* HAS_SETPGID:
+ *	This symbol, if defined, indicates that the setpgid(pid, gpid)
+ *	routine is available to set process group ID.
+ */
+#$d_setpgid HAS_SETPGID	/**/
+
+/* HAS_SETPGRP2:
+ *	This symbol, if defined, indicates that the setpgrp2() (as in DG/UX)
+ *	routine is available to set the current process group.
+ */
+#$d_setpgrp2 HAS_SETPGRP2		/**/
+
+/* HAS_SETPRIORITY:
+ *	This symbol, if defined, indicates that the setpriority routine is
+ *	available to set a process's priority.
+ */
+#$d_setprior HAS_SETPRIORITY		/**/
+
+/* HAS_SETREGID:
+ *	This symbol, if defined, indicates that the setregid routine is
+ *	available to change the real and effective gid of the current
+ *	process.
+ */
+/* HAS_SETRESGID:
+ *	This symbol, if defined, indicates that the setresgid routine is
+ *	available to change the real, effective and saved gid of the current
+ *	process.
+ */
+#$d_setregid HAS_SETREGID		/**/
+#$d_setresgid HAS_SETRESGID		/**/
+
+/* HAS_SETREUID:
+ *	This symbol, if defined, indicates that the setreuid routine is
+ *	available to change the real and effective uid of the current
+ *	process.
+ */
+/* HAS_SETRESUID:
+ *	This symbol, if defined, indicates that the setresuid routine is
+ *	available to change the real, effective and saved uid of the current
+ *	process.
+ */
+#$d_setreuid HAS_SETREUID		/**/
+#$d_setresuid HAS_SETRESUID		/**/
+
+/* HAS_SETRGID:
+ *	This symbol, if defined, indicates that the setrgid routine is available
+ *	to change the real gid of the current program.
+ */
+#$d_setrgid HAS_SETRGID		/**/
+
+/* HAS_SETRUID:
+ *	This symbol, if defined, indicates that the setruid routine is available
+ *	to change the real uid of the current program.
+ */
+#$d_setruid HAS_SETRUID		/**/
+
+/* HAS_SETSID:
+ *	This symbol, if defined, indicates that the setsid routine is
+ *	available to set the process group ID.
+ */
+#$d_setsid HAS_SETSID	/**/
+
+/* HAS_STAT:
+ *	This symbol, if defined, indicates that the stat routine is
+ *	available to get file status.
+ */
+#$d_stat HAS_STAT	/**/
+
+/* HAS_STRCHR:
+ *	This symbol is defined to indicate that the strchr()/strrchr()
+ *	functions are available for string searching. If not, try the
+ *	index()/rindex() pair.
+ */
+/* HAS_INDEX:
+ *	This symbol is defined to indicate that the index()/rindex()
+ *	functions are available for string searching.
+ */
+#$d_strchr HAS_STRCHR	/**/
+#$d_index HAS_INDEX	/**/
+
+/* HAS_STRCOLL:
+ *	This symbol, if defined, indicates that the strcoll routine is
+ *	available to compare strings using collating information.
+ */
+#$d_strcoll HAS_STRCOLL	/**/
+
+/* HAS_STRTOD:
+ *	This symbol, if defined, indicates that the strtod routine is
+ *	available to provide better numeric string conversion than atof().
+ */
+#$d_strtod HAS_STRTOD	/**/
+
+/* HAS_STRTOL:
+ *	This symbol, if defined, indicates that the strtol routine is available
+ *	to provide better numeric string conversion than atoi() and friends.
+ */
+#$d_strtol HAS_STRTOL	/**/
+
+/* HAS_STRXFRM:
+ *	This symbol, if defined, indicates that the strxfrm() routine is
+ *	available to transform strings.
+ */
+#$d_strxfrm HAS_STRXFRM	/**/
+
+/* HAS_SYMLINK:
+ *	This symbol, if defined, indicates that the symlink routine is available
+ *	to create symbolic links.
+ */
+#$d_symlink HAS_SYMLINK	/**/
+
+/* HAS_SYSCALL:
+ *	This symbol, if defined, indicates that the syscall routine is
+ *	available to call arbitrary system calls. If undefined, that's tough.
+ */
+#$d_syscall HAS_SYSCALL	/**/
+
+/* HAS_SYSCONF:
+ *	This symbol, if defined, indicates that sysconf() is available
+ *	to determine system related limits and options.
+ */
+#$d_sysconf HAS_SYSCONF	/**/
+
+/* HAS_SYSTEM:
+ *	This symbol, if defined, indicates that the system routine is
+ *	available to issue a shell command.
+ */
+#$d_system HAS_SYSTEM	/**/
+
+/* HAS_TCGETPGRP:
+ *	This symbol, if defined, indicates that the tcgetpgrp routine is
+ *	available to get foreground process group ID.
+ */
+#$d_tcgetpgrp HAS_TCGETPGRP		/**/
+
+/* HAS_TCSETPGRP:
+ *	This symbol, if defined, indicates that the tcsetpgrp routine is
+ *	available to set foreground process group ID.
+ */
+#$d_tcsetpgrp HAS_TCSETPGRP		/**/
+
+/* HAS_TRUNCATE:
+ *	This symbol, if defined, indicates that the truncate routine is
+ *	available to truncate files.
+ */
+#$d_truncate HAS_TRUNCATE	/**/
+
+/* HAS_TZNAME:
+ *	This symbol, if defined, indicates that the tzname[] array is
+ *	available to access timezone names.
+ */
+#$d_tzname HAS_TZNAME		/**/
+
+/* HAS_UMASK:
+ *	This symbol, if defined, indicates that the umask routine is
+ *	available to set and get the value of the file creation mask.
+ */
+#$d_umask HAS_UMASK		/**/
+
+/* HAS_USLEEP:
+ *	This symbol, if defined, indicates that the usleep routine is
+ *	available to let the process sleep on a sub-second accuracy.
+ */
+#$d_usleep HAS_USLEEP		/**/
+
+/* HAS_WAIT4:
+ *	This symbol, if defined, indicates that wait4() exists.
+ */
+#$d_wait4 HAS_WAIT4	/**/
+
+/* HAS_WAITPID:
+ *	This symbol, if defined, indicates that the waitpid routine is
+ *	available to wait for child process.
+ */
+#$d_waitpid HAS_WAITPID	/**/
+
+/* HAS_WCSTOMBS:
+ *	This symbol, if defined, indicates that the wcstombs routine is
+ *	available to convert wide character strings to multibyte strings.
+ */
+#$d_wcstombs HAS_WCSTOMBS	/**/
+
+/* HAS_WCTOMB:
+ *	This symbol, if defined, indicates that the wctomb routine is available
+ *	to convert a wide character to a multibyte.
+ */
+#$d_wctomb HAS_WCTOMB		/**/
+
+/* Groups_t:
+ *	This symbol holds the type used for the second argument to
+ *	getgroups() and setgroups().  Usually, this is the same as
+ *	gidtype (gid_t) , but sometimes it isn't.
+ *	It can be int, ushort, gid_t, etc... 
+ *	It may be necessary to include <sys/types.h> to get any 
+ *	typedef'ed information.  This is only required if you have
+ *	getgroups() or setgroups()..
+ */
+#if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS)
+#define Groups_t $groupstype	/* Type for 2nd arg to [sg]etgroups() */
+#endif
+
+/* I_ARPA_INET:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <arpa/inet.h> to get inet_addr and friends declarations.
+ */
+#$i_arpainet	I_ARPA_INET		/**/
+
+/* I_DBM:
+ *	This symbol, if defined, indicates that <dbm.h> exists and should
+ *	be included.
+ */
+/* I_RPCSVC_DBM:
+ *	This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
+ *	should be included.
+ */
+#$i_dbm I_DBM	/**/
+#$i_rpcsvcdbm I_RPCSVC_DBM	/**/
+
+/* I_DLFCN:
+ *	This symbol, if defined, indicates that <dlfcn.h> exists and should
+ *	be included.
+ */
+#$i_dlfcn I_DLFCN		/**/
+
+/* I_FCNTL:
+ *	This manifest constant tells the C program to include <fcntl.h>.
+ */
+#$i_fcntl I_FCNTL	/**/
+
+/* I_FLOAT:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <float.h> to get definition of symbols like DBL_MAX or
+ *	DBL_MIN, i.e. machine dependent floating point values.
+ */
+#$i_float I_FLOAT		/**/
+
+/* I_GDBM:
+ *	This symbol, if defined, indicates that <gdbm.h> exists and should
+ *	be included.
+ */
+#$i_gdbm I_GDBM	/**/
+
+/* I_LIMITS:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <limits.h> to get definition of symbols like WORD_BIT or
+ *	LONG_MAX, i.e. machine dependant limitations.
+ */
+#$i_limits I_LIMITS		/**/
+
+/* I_LOCALE:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <locale.h>.
+ */
+#$i_locale	I_LOCALE		/**/
+
+/* I_MATH:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <math.h>.
+ */
+#$i_math I_MATH		/**/
+
+/* I_MEMORY:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <memory.h>.
+ */
+#$i_memory I_MEMORY		/**/
+
+/* I_NETINET_IN:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <netinet/in.h>. Otherwise, you may try <sys/in.h>.
+ */
+#$i_niin I_NETINET_IN	/**/
+
+/* I_STDDEF:
+ *	This symbol, if defined, indicates that <stddef.h> exists and should
+ *	be included.
+ */
+#$i_stddef I_STDDEF	/**/
+
+/* I_STDLIB:
+ *	This symbol, if defined, indicates that <stdlib.h> exists and should
+ *	be included.
+ */
+#$i_stdlib I_STDLIB		/**/
+
+/* I_STRING:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <string.h> (USG systems) instead of <strings.h> (BSD systems).
+ */
+#$i_string I_STRING		/**/
+
+/* I_SYS_DIR:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/dir.h>.
+ */
+#$i_sysdir I_SYS_DIR		/**/
+
+/* I_SYS_FILE:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/file.h> to get definition of R_OK and friends.
+ */
+#$i_sysfile I_SYS_FILE		/**/
+
+/* I_SYS_IOCTL:
+ *	This symbol, if defined, indicates that <sys/ioctl.h> exists and should
+ *	be included. Otherwise, include <sgtty.h> or <termio.h>.
+ */
+/* I_SYS_SOCKIO:
+ *	This symbol, if defined, indicates the <sys/sockio.h> should be included
+ *	to get socket ioctl options, like SIOCATMARK.
+ */
+#$i_sysioctl	I_SYS_IOCTL		/**/
+#$i_syssockio I_SYS_SOCKIO	/**/
+
+/* I_SYS_NDIR:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/ndir.h>.
+ */
+#$i_sysndir I_SYS_NDIR	/**/
+
+/* I_SYS_PARAM:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/param.h>.
+ */
+#$i_sysparam I_SYS_PARAM		/**/
+
+/* I_SYS_POLL:
+ *	This symbol, if defined, indicates that the program may include
+ *	<sys/poll.h>.  When I_POLL is also defined, it's probably safest
+ *	to only include <poll.h>.
+ */
+#$i_syspoll I_SYS_POLL	/**/
+
+/* I_SYS_RESOURCE:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/resource.h>.
+ */
+#$i_sysresrc I_SYS_RESOURCE		/**/
+
+/* I_SYS_SELECT:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/select.h> in order to get definition of struct timeval.
+ */
+#$i_sysselct I_SYS_SELECT	/**/
+
+/* I_SYS_STAT:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/stat.h>.
+ */
+#$i_sysstat	I_SYS_STAT		/**/
+
+/* I_SYS_TIMES:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/times.h>.
+ */
+#$i_systimes	I_SYS_TIMES		/**/
+
+/* I_SYS_TYPES:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/types.h>.
+ */
+#$i_systypes	I_SYS_TYPES		/**/
+
+/* I_SYS_UN:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/un.h> to get UNIX domain socket definitions.
+ */
+#$i_sysun I_SYS_UN		/**/
+
+/* I_SYS_WAIT:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/wait.h>.
+ */
+#$i_syswait I_SYS_WAIT	/**/
+
+/* I_UNISTD:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <unistd.h>.
+ */
+#$i_unistd I_UNISTD		/**/
+
+/* I_UTIME:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <utime.h>.
+ */
+#$i_utime I_UTIME		/**/
+
+/* I_VALUES:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <values.h> to get definition of symbols like MINFLOAT or
+ *	MAXLONG, i.e. machine dependant limitations.  Probably, you
+ *	should use <limits.h> instead, if it is available.
+ */
+#$i_values I_VALUES		/**/
+
+/* I_VFORK:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include vfork.h.
+ */
+#$i_vfork I_VFORK	/**/
+
+/* CAN_VAPROTO:
+ *	This variable is defined on systems supporting prototype declaration
+ *	of functions with a variable number of arguments.
+ */
+/* _V:
+ *	This macro is used to declare function parameters in prototypes for
+ *	functions with a variable number of parameters. Use double parentheses.
+ *	For example:
+ *
+ *		int printf _V((char *fmt, ...));
+ *
+ *	Remember to use the plain simple _() macro when declaring a function
+ *	with no variable number of arguments, since it might be possible to
+ *	have a non-effect _V() macro and still get prototypes via _().
+ */
+#$vaproto CAN_VAPROTO	/**/
+#ifdef CAN_VAPROTO
+#define	_V(args) args
+#else
+#define	_V(args) ()
+#endif
+
+/* OSNAME:
+ *	This symbol contains the name of the operating system, as determined
+ *	by Configure.  You shouldn't rely on it too much; the specific
+ *	feature tests from Configure are generally more reliable.
+ */
+/* OSVERS:
+ *	This symbol contains the version of the operating system, as determined
+ *	by Configure.  You shouldn't rely on it too much; the specific
+ *	feature tests from Configure are generally more reliable.
+ */
+#define OSNAME "$osname"		/**/
+#define OSVERS "$osvers"		/**/
+
+/* MULTIARCH:
+ *	This symbol, if defined, signifies that the build
+ *	process will produce some binary files that are going to be
+ *	used in a cross-platform environment.  This is the case for
+ *	example with the NeXT "fat" binaries that contain executables
+ *	for several CPUs.
+ */
+#$multiarch MULTIARCH		/**/
+
+/* MEM_ALIGNBYTES:
+ *	This symbol contains the number of bytes required to align a
+ *	double, or a long double when applicable. Usual values are 2,
+ *	4 and 8. The default is eight, for safety.  For cross-compiling
+ *  	or multiarch support, Configure will set a minimum of 8.
+ */
+#define MEM_ALIGNBYTES $alignbytes
+
+/* ARCHLIB:
+ *	This variable, if defined, holds the name of the directory in
+ *	which the user wants to put architecture-dependent public
+ *	library files for $package.  It is most often a local directory
+ *	such as /usr/local/lib.  Programs using this variable must be
+ *	prepared to deal with filename expansion.  If ARCHLIB is the
+ *	same as PRIVLIB, it is not defined, since presumably the
+ *	program already searches PRIVLIB.
+ */
+/* ARCHLIB_EXP:
+ *	This symbol contains the ~name expanded version of ARCHLIB, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+#$d_archlib ARCHLIB "$archlib"		/**/
+#$d_archlib ARCHLIB_EXP "$archlibexp"		/**/
+
+/* ARCHNAME:
+ *	This symbol holds a string representing the architecture name.
+ *	It may be used to construct an architecture-dependant pathname
+ *	where library files may be held under a private library, for
+ *	instance.
+ */
+#define ARCHNAME "$archname"		/**/
+
+/* BIN:
+ *	This symbol holds the path of the bin directory where the package will
+ *	be installed. Program must be prepared to deal with ~name substitution.
+ */
+/* BIN_EXP:
+ *	This symbol is the filename expanded version of the BIN symbol, for
+ *	programs that do not want to deal with that at run-time.
+ */
+/* PERL_RELOCATABLE_INC:
+ *	This symbol, if defined, indicates that we'd like to relocate entries
+ *	in @INC at run time based on the location of the perl binary.
+ */
+#define BIN "$bin"	/**/
+#define BIN_EXP "$binexp"	/**/
+#define PERL_RELOCATABLE_INC "$userelocatableinc" 		/**/
+
+/* INTSIZE:
+ *	This symbol contains the value of sizeof(int) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* LONGSIZE:
+ *	This symbol contains the value of sizeof(long) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* SHORTSIZE:
+ *	This symbol contains the value of sizeof(short) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+#define INTSIZE $intsize		/**/
+#define LONGSIZE $longsize		/**/
+#define SHORTSIZE $shortsize		/**/
+
+/* BYTEORDER:
+ *	This symbol holds the hexadecimal constant defined in byteorder,
+ *	in a UV, i.e. 0x1234 or 0x4321 or 0x12345678, etc...
+ *	If the compiler supports cross-compiling or multiple-architecture
+ *	binaries, use compiler-defined macros to
+ *	determine the byte order.
+ */
+#if defined(MULTIARCH)
+#  ifdef __LITTLE_ENDIAN__
+#    if LONGSIZE == 4
+#      define BYTEORDER 0x1234
+#    else
+#      if LONGSIZE == 8
+#        define BYTEORDER 0x12345678
+#      endif
+#    endif
+#  else
+#    ifdef __BIG_ENDIAN__
+#      if LONGSIZE == 4
+#        define BYTEORDER 0x4321
+#      else
+#        if LONGSIZE == 8
+#          define BYTEORDER 0x87654321
+#        endif
+#      endif
+#    endif
+#  endif
+#else
+#define BYTEORDER 0x$byteorder	/* large digits for MSB */
+#endif
+
+/* CHARBITS:
+ *	This symbol contains the size of a char, so that the C preprocessor
+ *	can make decisions based on it.
+ */
+#define CHARBITS $charbits		/**/
+
+/* CAT2:
+ *	This macro concatenates 2 tokens together.
+ */
+/* STRINGIFY:
+ *	This macro surrounds its token with double quotes.
+ */
+#if $cpp_stuff == 1
+#define CAT2(a,b)	a/**/b
+#define STRINGIFY(a)	"a"
+#endif
+#if $cpp_stuff == 42
+#define PeRl_CaTiFy(a, b)	a ## b
+#define PeRl_StGiFy(a)	#a
+#define CAT2(a,b)	PeRl_CaTiFy(a,b)
+#define StGiFy(a)	PeRl_StGiFy(a)
+#define STRINGIFY(a)	PeRl_StGiFy(a)
+#endif
+#if $cpp_stuff != 1 && $cpp_stuff != 42
+#include "Bletch: How does this C preprocessor concatenate tokens?"
+#endif
+
+/* CPPSTDIN:
+ *	This symbol contains the first part of the string which will invoke
+ *	the C preprocessor on the standard input and produce to standard
+ *	output.	 Typical value of "cc -E" or "/lib/cpp", but it can also
+ *	call a wrapper. See CPPRUN.
+ */
+/* CPPMINUS:
+ *	This symbol contains the second part of the string which will invoke
+ *	the C preprocessor on the standard input and produce to standard
+ *	output.  This symbol will have the value "-" if CPPSTDIN needs a minus
+ *	to specify standard input, otherwise the value is "".
+ */
+/* CPPRUN:
+ *	This symbol contains the string which will invoke a C preprocessor on
+ *	the standard input and produce to standard output. It needs to end
+ *	with CPPLAST, after all other preprocessor flags have been specified.
+ *	The main difference with CPPSTDIN is that this program will never be a
+ *	pointer to a shell wrapper, i.e. it will be empty if no preprocessor is
+ *	available directly to the user. Note that it may well be different from
+ *	the preprocessor used to compile the C program.
+ */
+/* CPPLAST:
+ *	This symbol is intended to be used along with CPPRUN in the same manner
+ *	symbol CPPMINUS is used with CPPSTDIN. It contains either "-" or "".
+ */
+#define CPPSTDIN "$cppstdin"
+#define CPPMINUS "$cppminus"
+#define CPPRUN "$cpprun"
+#define CPPLAST "$cpplast"
+
+/* HAS_ACCESS:
+ *	This manifest constant lets the C program know that the access()
+ *	system call is available to check for accessibility using real UID/GID.
+ *	(always present on UNIX.)
+ */
+#$d_access HAS_ACCESS		/**/
+
+/* HAS_ACCESSX:
+ *	This symbol, if defined, indicates that the accessx routine is
+ *	available to do extended access checks.
+ */
+#$d_accessx HAS_ACCESSX		/**/
+
+/* HAS_ASCTIME_R:
+ *	This symbol, if defined, indicates that the asctime_r routine
+ *	is available to asctime re-entrantly.
+ */
+/* ASCTIME_R_PROTO:
+ *	This symbol encodes the prototype of asctime_r.
+ *	It is zero if d_asctime_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_asctime_r
+ *	is defined.
+ */
+#$d_asctime_r HAS_ASCTIME_R	   /**/
+#define ASCTIME_R_PROTO $asctime_r_proto	   /**/
+
+/* HASATTRIBUTE_FORMAT:
+ *	Can we handle GCC attribute for checking printf-style formats
+ */
+/* PRINTF_FORMAT_NULL_OK:
+ *	Allows __printf__ format to be null when checking printf-style
+ */
+/* HASATTRIBUTE_MALLOC:
+ *	Can we handle GCC attribute for malloc-style functions.
+ */
+/* HASATTRIBUTE_NONNULL:
+ *	Can we handle GCC attribute for nonnull function parms.
+ */
+/* HASATTRIBUTE_NORETURN:
+ *	Can we handle GCC attribute for functions that do not return
+ */
+/* HASATTRIBUTE_PURE:
+ *	Can we handle GCC attribute for pure functions
+ */
+/* HASATTRIBUTE_UNUSED:
+ *	Can we handle GCC attribute for unused variables and arguments
+ */
+/* HASATTRIBUTE_DEPRECATED:
+ *	Can we handle GCC attribute for marking deprecated APIs
+ */
+/* HASATTRIBUTE_WARN_UNUSED_RESULT:
+ *	Can we handle GCC attribute for warning on unused results
+ */
+#$d_attribute_deprecated HASATTRIBUTE_DEPRECATED	/**/
+#$d_attribute_format HASATTRIBUTE_FORMAT	/**/
+#$d_printf_format_null PRINTF_FORMAT_NULL_OK	/**/
+#$d_attribute_noreturn HASATTRIBUTE_NORETURN	/**/
+#$d_attribute_malloc HASATTRIBUTE_MALLOC	/**/
+#$d_attribute_nonnull HASATTRIBUTE_NONNULL	/**/
+#$d_attribute_pure HASATTRIBUTE_PURE	/**/
+#$d_attribute_unused HASATTRIBUTE_UNUSED	/**/
+#$d_attribute_warn_unused_result HASATTRIBUTE_WARN_UNUSED_RESULT	/**/
+
+/* HAS_BACKTRACE:
+ *	This symbol, if defined, indicates that the backtrace() routine is
+ *	available to get a stack trace.  The <execinfo.h> header must be
+ *	included to use this routine.
+ */
+#$d_backtrace HAS_BACKTRACE	/**/
+
+/* CASTI32:
+ *	This symbol is defined if the C compiler can cast negative
+ *	or large floating point numbers to 32-bit ints.
+ */
+#$d_casti32	CASTI32		/**/
+
+/* CASTNEGFLOAT:
+ *	This symbol is defined if the C compiler can cast negative
+ *	numbers to unsigned longs, ints and shorts.
+ */
+/* CASTFLAGS:
+ *	This symbol contains flags that say what difficulties the compiler
+ *	has casting odd floating values to unsigned long:
+ *		0 = ok
+ *		1 = couldn't cast < 0
+ *		2 = couldn't cast >= 0x80000000
+ *		4 = couldn't cast in argument expression list
+ */
+#$d_castneg	CASTNEGFLOAT		/**/
+#define CASTFLAGS $castflags		/**/
+
+/* VOID_CLOSEDIR:
+ *	This symbol, if defined, indicates that the closedir() routine
+ *	does not return a value.
+ */
+#$d_void_closedir VOID_CLOSEDIR		/**/
+
+/* HASCONST:
+ *	This symbol, if defined, indicates that this C compiler knows about
+ *	the const type. There is no need to actually test for that symbol
+ *	within your programs. The mere use of the "const" keyword will
+ *	trigger the necessary tests.
+ */
+#$d_const HASCONST	/**/
+#ifndef HASCONST
+#define const
+#endif
+
+/* HAS_CRYPT_R:
+ *	This symbol, if defined, indicates that the crypt_r routine
+ *	is available to crypt re-entrantly.
+ */
+/* CRYPT_R_PROTO:
+ *	This symbol encodes the prototype of crypt_r.
+ *	It is zero if d_crypt_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
+ *	is defined.
+ */
+#$d_crypt_r HAS_CRYPT_R	   /**/
+#define CRYPT_R_PROTO $crypt_r_proto	   /**/
+
+/* HAS_CSH:
+ *	This symbol, if defined, indicates that the C-shell exists.
+ */
+/* CSH:
+ *	This symbol, if defined, contains the full pathname of csh.
+ */
+#$d_csh HAS_CSH		/**/
+#ifdef HAS_CSH
+#define CSH "$full_csh"	/**/
+#endif
+
+/* HAS_CTERMID_R:
+ *	This symbol, if defined, indicates that the ctermid_r routine
+ *	is available to ctermid re-entrantly.
+ */
+/* CTERMID_R_PROTO:
+ *	This symbol encodes the prototype of ctermid_r.
+ *	It is zero if d_ctermid_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
+ *	is defined.
+ */
+#$d_ctermid_r HAS_CTERMID_R	   /**/
+#define CTERMID_R_PROTO $ctermid_r_proto	   /**/
+
+/* HAS_CTIME_R:
+ *	This symbol, if defined, indicates that the ctime_r routine
+ *	is available to ctime re-entrantly.
+ */
+/* CTIME_R_PROTO:
+ *	This symbol encodes the prototype of ctime_r.
+ *	It is zero if d_ctime_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
+ *	is defined.
+ */
+#$d_ctime_r HAS_CTIME_R	   /**/
+#define CTIME_R_PROTO $ctime_r_proto	   /**/
+
+/* HAS_DLADDR:
+ *	This symbol, if defined, indicates that the dladdr() routine is
+ *	available to query dynamic linker information for an address.
+ *	The <dlfcn.h> header must be included to use this routine.
+ */
+#$d_dladdr HAS_DLADDR	/**/
+
+/* SETUID_SCRIPTS_ARE_SECURE_NOW:
+ *	This symbol, if defined, indicates that the bug that prevents
+ *	setuid scripts from being secure is not present in this kernel.
+ */
+/* DOSUID:
+ *	This symbol, if defined, indicates that the C program should
+ *	check the script that it is executing for setuid/setgid bits, and
+ *	attempt to emulate setuid/setgid on systems that have disabled
+ *	setuid #! scripts because the kernel can't do it securely.
+ *	It is up to the package designer to make sure that this emulation
+ *	is done securely.  Among other things, it should do an fstat on
+ *	the script it just opened to make sure it really is a setuid/setgid
+ *	script, it should make sure the arguments passed correspond exactly
+ *	to the argument on the #! line, and it should not trust any
+ *	subprocesses to which it must pass the filename rather than the
+ *	file descriptor of the script to be executed.
+ */
+#$d_suidsafe SETUID_SCRIPTS_ARE_SECURE_NOW	/**/
+#$d_dosuid DOSUID		/**/
+
+/* HAS_DRAND48_R:
+ *	This symbol, if defined, indicates that the drand48_r routine
+ *	is available to drand48 re-entrantly.
+ */
+/* DRAND48_R_PROTO:
+ *	This symbol encodes the prototype of drand48_r.
+ *	It is zero if d_drand48_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
+ *	is defined.
+ */
+#$d_drand48_r HAS_DRAND48_R	   /**/
+#define DRAND48_R_PROTO $drand48_r_proto	   /**/
+
+/* HAS_DRAND48_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the drand48() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern double drand48(void);
+ */
+#$d_drand48proto	HAS_DRAND48_PROTO	/**/
+
+/* HAS_EACCESS:
+ *	This symbol, if defined, indicates that the eaccess routine is
+ *	available to do extended access checks.
+ */
+#$d_eaccess HAS_EACCESS		/**/
+
+/* HAS_ENDGRENT:
+ *	This symbol, if defined, indicates that the getgrent routine is
+ *	available for finalizing sequential access of the group database.
+ */
+#$d_endgrent HAS_ENDGRENT		/**/
+
+/* HAS_ENDGRENT_R:
+ *	This symbol, if defined, indicates that the endgrent_r routine
+ *	is available to endgrent re-entrantly.
+ */
+/* ENDGRENT_R_PROTO:
+ *	This symbol encodes the prototype of endgrent_r.
+ *	It is zero if d_endgrent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
+ *	is defined.
+ */
+#$d_endgrent_r HAS_ENDGRENT_R	   /**/
+#define ENDGRENT_R_PROTO $endgrent_r_proto	   /**/
+
+/* HAS_ENDHOSTENT:
+ *	This symbol, if defined, indicates that the endhostent() routine is
+ *	available to close whatever was being used for host queries.
+ */
+#$d_endhent HAS_ENDHOSTENT		/**/
+
+/* HAS_ENDHOSTENT_R:
+ *	This symbol, if defined, indicates that the endhostent_r routine
+ *	is available to endhostent re-entrantly.
+ */
+/* ENDHOSTENT_R_PROTO:
+ *	This symbol encodes the prototype of endhostent_r.
+ *	It is zero if d_endhostent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
+ *	is defined.
+ */
+#$d_endhostent_r HAS_ENDHOSTENT_R	   /**/
+#define ENDHOSTENT_R_PROTO $endhostent_r_proto	   /**/
+
+/* HAS_ENDNETENT:
+ *	This symbol, if defined, indicates that the endnetent() routine is
+ *	available to close whatever was being used for network queries.
+ */
+#$d_endnent HAS_ENDNETENT		/**/
+
+/* HAS_ENDNETENT_R:
+ *	This symbol, if defined, indicates that the endnetent_r routine
+ *	is available to endnetent re-entrantly.
+ */
+/* ENDNETENT_R_PROTO:
+ *	This symbol encodes the prototype of endnetent_r.
+ *	It is zero if d_endnetent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
+ *	is defined.
+ */
+#$d_endnetent_r HAS_ENDNETENT_R	   /**/
+#define ENDNETENT_R_PROTO $endnetent_r_proto	   /**/
+
+/* HAS_ENDPROTOENT:
+ *	This symbol, if defined, indicates that the endprotoent() routine is
+ *	available to close whatever was being used for protocol queries.
+ */
+#$d_endpent HAS_ENDPROTOENT		/**/
+
+/* HAS_ENDPROTOENT_R:
+ *	This symbol, if defined, indicates that the endprotoent_r routine
+ *	is available to endprotoent re-entrantly.
+ */
+/* ENDPROTOENT_R_PROTO:
+ *	This symbol encodes the prototype of endprotoent_r.
+ *	It is zero if d_endprotoent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
+ *	is defined.
+ */
+#$d_endprotoent_r HAS_ENDPROTOENT_R	   /**/
+#define ENDPROTOENT_R_PROTO $endprotoent_r_proto	   /**/
+
+/* HAS_ENDPWENT:
+ *	This symbol, if defined, indicates that the getgrent routine is
+ *	available for finalizing sequential access of the passwd database.
+ */
+#$d_endpwent HAS_ENDPWENT		/**/
+
+/* HAS_ENDPWENT_R:
+ *	This symbol, if defined, indicates that the endpwent_r routine
+ *	is available to endpwent re-entrantly.
+ */
+/* ENDPWENT_R_PROTO:
+ *	This symbol encodes the prototype of endpwent_r.
+ *	It is zero if d_endpwent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
+ *	is defined.
+ */
+#$d_endpwent_r HAS_ENDPWENT_R	   /**/
+#define ENDPWENT_R_PROTO $endpwent_r_proto	   /**/
+
+/* HAS_ENDSERVENT:
+ *	This symbol, if defined, indicates that the endservent() routine is
+ *	available to close whatever was being used for service queries.
+ */
+#$d_endsent HAS_ENDSERVENT		/**/
+
+/* HAS_ENDSERVENT_R:
+ *	This symbol, if defined, indicates that the endservent_r routine
+ *	is available to endservent re-entrantly.
+ */
+/* ENDSERVENT_R_PROTO:
+ *	This symbol encodes the prototype of endservent_r.
+ *	It is zero if d_endservent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
+ *	is defined.
+ */
+#$d_endservent_r HAS_ENDSERVENT_R	   /**/
+#define ENDSERVENT_R_PROTO $endservent_r_proto	   /**/
+
+/* HAS_FD_SET:
+ *	This symbol, when defined, indicates presence of the fd_set typedef
+ *	in <sys/types.h>
+ */
+#$d_fd_set HAS_FD_SET	/**/
+
+/* FLEXFILENAMES:
+ *	This symbol, if defined, indicates that the system supports filenames
+ *	longer than 14 characters.
+ */
+#$d_flexfnam	FLEXFILENAMES		/**/
+
+/* Gconvert:
+ *	This preprocessor macro is defined to convert a floating point
+ *	number to a string without a trailing decimal point.  This
+ *	emulates the behavior of sprintf("%g"), but is sometimes much more
+ *	efficient.  If gconvert() is not available, but gcvt() drops the
+ *	trailing decimal point, then gcvt() is used.  If all else fails,
+ *	a macro using sprintf("%g") is used. Arguments for the Gconvert
+ *	macro are: value, number of digits, whether trailing zeros should
+ *	be retained, and the output buffer.
+ *	The usual values are:
+ *		d_Gconvert='gconvert((x),(n),(t),(b))'
+ *		d_Gconvert='gcvt((x),(n),(b))'
+ *		d_Gconvert='sprintf((b),"%.*g",(n),(x))'
+ *	The last two assume trailing zeros should not be kept.
+ */
+#define Gconvert(x,n,t,b) $d_Gconvert
+
+/* HAS_GETGRENT:
+ *	This symbol, if defined, indicates that the getgrent routine is
+ *	available for sequential access of the group database.
+ */
+#$d_getgrent HAS_GETGRENT		/**/
+
+/* HAS_GETGRENT_R:
+ *	This symbol, if defined, indicates that the getgrent_r routine
+ *	is available to getgrent re-entrantly.
+ */
+/* GETGRENT_R_PROTO:
+ *	This symbol encodes the prototype of getgrent_r.
+ *	It is zero if d_getgrent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
+ *	is defined.
+ */
+#$d_getgrent_r HAS_GETGRENT_R	   /**/
+#define GETGRENT_R_PROTO $getgrent_r_proto	   /**/
+
+/* HAS_GETGRGID_R:
+ *	This symbol, if defined, indicates that the getgrgid_r routine
+ *	is available to getgrgid re-entrantly.
+ */
+/* GETGRGID_R_PROTO:
+ *	This symbol encodes the prototype of getgrgid_r.
+ *	It is zero if d_getgrgid_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
+ *	is defined.
+ */
+#$d_getgrgid_r HAS_GETGRGID_R	   /**/
+#define GETGRGID_R_PROTO $getgrgid_r_proto	   /**/
+
+/* HAS_GETGRNAM_R:
+ *	This symbol, if defined, indicates that the getgrnam_r routine
+ *	is available to getgrnam re-entrantly.
+ */
+/* GETGRNAM_R_PROTO:
+ *	This symbol encodes the prototype of getgrnam_r.
+ *	It is zero if d_getgrnam_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
+ *	is defined.
+ */
+#$d_getgrnam_r HAS_GETGRNAM_R	   /**/
+#define GETGRNAM_R_PROTO $getgrnam_r_proto	   /**/
+
+/* HAS_GETHOSTBYADDR:
+ *	This symbol, if defined, indicates that the gethostbyaddr() routine is
+ *	available to look up hosts by their IP addresses.
+ */
+#$d_gethbyaddr HAS_GETHOSTBYADDR		/**/
+
+/* HAS_GETHOSTBYNAME:
+ *	This symbol, if defined, indicates that the gethostbyname() routine is
+ *	available to look up host names in some data base or other.
+ */
+#$d_gethbyname HAS_GETHOSTBYNAME		/**/
+
+/* HAS_GETHOSTENT:
+ *	This symbol, if defined, indicates that the gethostent() routine is
+ *	available to look up host names in some data base or another.
+ */
+#$d_gethent HAS_GETHOSTENT		/**/
+
+/* HAS_GETHOSTNAME:
+ *	This symbol, if defined, indicates that the C program may use the
+ *	gethostname() routine to derive the host name.  See also HAS_UNAME
+ *	and PHOSTNAME.
+ */
+/* HAS_UNAME:
+ *	This symbol, if defined, indicates that the C program may use the
+ *	uname() routine to derive the host name.  See also HAS_GETHOSTNAME
+ *	and PHOSTNAME.
+ */
+/* PHOSTNAME:
+ *	This symbol, if defined, indicates the command to feed to the
+ *	popen() routine to derive the host name.  See also HAS_GETHOSTNAME
+ *	and HAS_UNAME.	Note that the command uses a fully qualified path,
+ *	so that it is safe even if used by a process with super-user
+ *	privileges.
+ */
+/* HAS_PHOSTNAME:
+ *	This symbol, if defined, indicates that the C program may use the
+ *	contents of PHOSTNAME as a command to feed to the popen() routine
+ *	to derive the host name.
+ */
+#$d_gethname HAS_GETHOSTNAME	/**/
+#$d_uname HAS_UNAME		/**/
+#$d_phostname HAS_PHOSTNAME	/**/
+#ifdef HAS_PHOSTNAME
+#define PHOSTNAME "$aphostname"	/* How to get the host name */
+#endif
+
+/* HAS_GETHOSTBYADDR_R:
+ *	This symbol, if defined, indicates that the gethostbyaddr_r routine
+ *	is available to gethostbyaddr re-entrantly.
+ */
+/* GETHOSTBYADDR_R_PROTO:
+ *	This symbol encodes the prototype of gethostbyaddr_r.
+ *	It is zero if d_gethostbyaddr_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
+ *	is defined.
+ */
+#$d_gethostbyaddr_r HAS_GETHOSTBYADDR_R	   /**/
+#define GETHOSTBYADDR_R_PROTO $gethostbyaddr_r_proto	   /**/
+
+/* HAS_GETHOSTBYNAME_R:
+ *	This symbol, if defined, indicates that the gethostbyname_r routine
+ *	is available to gethostbyname re-entrantly.
+ */
+/* GETHOSTBYNAME_R_PROTO:
+ *	This symbol encodes the prototype of gethostbyname_r.
+ *	It is zero if d_gethostbyname_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
+ *	is defined.
+ */
+#$d_gethostbyname_r HAS_GETHOSTBYNAME_R	   /**/
+#define GETHOSTBYNAME_R_PROTO $gethostbyname_r_proto	   /**/
+
+/* HAS_GETHOSTENT_R:
+ *	This symbol, if defined, indicates that the gethostent_r routine
+ *	is available to gethostent re-entrantly.
+ */
+/* GETHOSTENT_R_PROTO:
+ *	This symbol encodes the prototype of gethostent_r.
+ *	It is zero if d_gethostent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
+ *	is defined.
+ */
+#$d_gethostent_r HAS_GETHOSTENT_R	   /**/
+#define GETHOSTENT_R_PROTO $gethostent_r_proto	   /**/
+
+/* HAS_GETHOST_PROTOS:
+ *	This symbol, if defined, indicates that <netdb.h> includes
+ *	prototypes for gethostent(), gethostbyname(), and
+ *	gethostbyaddr().  Otherwise, it is up to the program to guess
+ *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
+ */
+#$d_gethostprotos	HAS_GETHOST_PROTOS	/**/
+
+/* HAS_GETLOGIN_R:
+ *	This symbol, if defined, indicates that the getlogin_r routine
+ *	is available to getlogin re-entrantly.
+ */
+/* GETLOGIN_R_PROTO:
+ *	This symbol encodes the prototype of getlogin_r.
+ *	It is zero if d_getlogin_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
+ *	is defined.
+ */
+#$d_getlogin_r HAS_GETLOGIN_R	   /**/
+#define GETLOGIN_R_PROTO $getlogin_r_proto	   /**/
+
+/* HAS_GETNETBYADDR:
+ *	This symbol, if defined, indicates that the getnetbyaddr() routine is
+ *	available to look up networks by their IP addresses.
+ */
+#$d_getnbyaddr HAS_GETNETBYADDR		/**/
+
+/* HAS_GETNETBYNAME:
+ *	This symbol, if defined, indicates that the getnetbyname() routine is
+ *	available to look up networks by their names.
+ */
+#$d_getnbyname HAS_GETNETBYNAME		/**/
+
+/* HAS_GETNETENT:
+ *	This symbol, if defined, indicates that the getnetent() routine is
+ *	available to look up network names in some data base or another.
+ */
+#$d_getnent HAS_GETNETENT		/**/
+
+/* HAS_GETNETBYADDR_R:
+ *	This symbol, if defined, indicates that the getnetbyaddr_r routine
+ *	is available to getnetbyaddr re-entrantly.
+ */
+/* GETNETBYADDR_R_PROTO:
+ *	This symbol encodes the prototype of getnetbyaddr_r.
+ *	It is zero if d_getnetbyaddr_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
+ *	is defined.
+ */
+#$d_getnetbyaddr_r HAS_GETNETBYADDR_R	   /**/
+#define GETNETBYADDR_R_PROTO $getnetbyaddr_r_proto	   /**/
+
+/* HAS_GETNETBYNAME_R:
+ *	This symbol, if defined, indicates that the getnetbyname_r routine
+ *	is available to getnetbyname re-entrantly.
+ */
+/* GETNETBYNAME_R_PROTO:
+ *	This symbol encodes the prototype of getnetbyname_r.
+ *	It is zero if d_getnetbyname_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
+ *	is defined.
+ */
+#$d_getnetbyname_r HAS_GETNETBYNAME_R	   /**/
+#define GETNETBYNAME_R_PROTO $getnetbyname_r_proto	   /**/
+
+/* HAS_GETNETENT_R:
+ *	This symbol, if defined, indicates that the getnetent_r routine
+ *	is available to getnetent re-entrantly.
+ */
+/* GETNETENT_R_PROTO:
+ *	This symbol encodes the prototype of getnetent_r.
+ *	It is zero if d_getnetent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
+ *	is defined.
+ */
+#$d_getnetent_r HAS_GETNETENT_R	   /**/
+#define GETNETENT_R_PROTO $getnetent_r_proto	   /**/
+
+/* HAS_GETNET_PROTOS:
+ *	This symbol, if defined, indicates that <netdb.h> includes
+ *	prototypes for getnetent(), getnetbyname(), and
+ *	getnetbyaddr().  Otherwise, it is up to the program to guess
+ *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
+ */
+#$d_getnetprotos	HAS_GETNET_PROTOS	/**/
+
+/* HAS_GETPAGESIZE:
+ *	This symbol, if defined, indicates that the getpagesize system call
+ *	is available to get system page size, which is the granularity of
+ *	many memory management calls.
+ */
+#$d_getpagsz HAS_GETPAGESIZE		/**/
+
+/* HAS_GETPROTOENT:
+ *	This symbol, if defined, indicates that the getprotoent() routine is
+ *	available to look up protocols in some data base or another.
+ */
+#$d_getpent HAS_GETPROTOENT		/**/
+
+/* HAS_GETPGRP:
+ *	This symbol, if defined, indicates that the getpgrp routine is
+ *	available to get the current process group.
+ */
+/* USE_BSD_GETPGRP:
+ *	This symbol, if defined, indicates that getpgrp needs one
+ *	arguments whereas USG one needs none.
+ */
+#$d_getpgrp HAS_GETPGRP		/**/
+#$d_bsdgetpgrp USE_BSD_GETPGRP	/**/
+
+/* HAS_GETPROTOBYNAME:
+ *	This symbol, if defined, indicates that the getprotobyname()
+ *	routine is available to look up protocols by their name.
+ */
+/* HAS_GETPROTOBYNUMBER:
+ *	This symbol, if defined, indicates that the getprotobynumber()
+ *	routine is available to look up protocols by their number.
+ */
+#$d_getpbyname HAS_GETPROTOBYNAME		/**/
+#$d_getpbynumber HAS_GETPROTOBYNUMBER		/**/
+
+/* HAS_GETPROTOBYNAME_R:
+ *	This symbol, if defined, indicates that the getprotobyname_r routine
+ *	is available to getprotobyname re-entrantly.
+ */
+/* GETPROTOBYNAME_R_PROTO:
+ *	This symbol encodes the prototype of getprotobyname_r.
+ *	It is zero if d_getprotobyname_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
+ *	is defined.
+ */
+#$d_getprotobyname_r HAS_GETPROTOBYNAME_R	   /**/
+#define GETPROTOBYNAME_R_PROTO $getprotobyname_r_proto	   /**/
+
+/* HAS_GETPROTOBYNUMBER_R:
+ *	This symbol, if defined, indicates that the getprotobynumber_r routine
+ *	is available to getprotobynumber re-entrantly.
+ */
+/* GETPROTOBYNUMBER_R_PROTO:
+ *	This symbol encodes the prototype of getprotobynumber_r.
+ *	It is zero if d_getprotobynumber_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
+ *	is defined.
+ */
+#$d_getprotobynumber_r HAS_GETPROTOBYNUMBER_R	   /**/
+#define GETPROTOBYNUMBER_R_PROTO $getprotobynumber_r_proto	   /**/
+
+/* HAS_GETPROTOENT_R:
+ *	This symbol, if defined, indicates that the getprotoent_r routine
+ *	is available to getprotoent re-entrantly.
+ */
+/* GETPROTOENT_R_PROTO:
+ *	This symbol encodes the prototype of getprotoent_r.
+ *	It is zero if d_getprotoent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
+ *	is defined.
+ */
+#$d_getprotoent_r HAS_GETPROTOENT_R	   /**/
+#define GETPROTOENT_R_PROTO $getprotoent_r_proto	   /**/
+
+/* HAS_GETPROTO_PROTOS:
+ *	This symbol, if defined, indicates that <netdb.h> includes
+ *	prototypes for getprotoent(), getprotobyname(), and
+ *	getprotobyaddr().  Otherwise, it is up to the program to guess
+ *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
+ */
+#$d_getprotoprotos	HAS_GETPROTO_PROTOS	/**/
+
+/* HAS_GETPWENT:
+ *	This symbol, if defined, indicates that the getpwent routine is
+ *	available for sequential access of the passwd database.
+ *	If this is not available, the older getpw() function may be available.
+ */
+#$d_getpwent HAS_GETPWENT		/**/
+
+/* HAS_GETPWENT_R:
+ *	This symbol, if defined, indicates that the getpwent_r routine
+ *	is available to getpwent re-entrantly.
+ */
+/* GETPWENT_R_PROTO:
+ *	This symbol encodes the prototype of getpwent_r.
+ *	It is zero if d_getpwent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
+ *	is defined.
+ */
+#$d_getpwent_r HAS_GETPWENT_R	   /**/
+#define GETPWENT_R_PROTO $getpwent_r_proto	   /**/
+
+/* HAS_GETPWNAM_R:
+ *	This symbol, if defined, indicates that the getpwnam_r routine
+ *	is available to getpwnam re-entrantly.
+ */
+/* GETPWNAM_R_PROTO:
+ *	This symbol encodes the prototype of getpwnam_r.
+ *	It is zero if d_getpwnam_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
+ *	is defined.
+ */
+#$d_getpwnam_r HAS_GETPWNAM_R	   /**/
+#define GETPWNAM_R_PROTO $getpwnam_r_proto	   /**/
+
+/* HAS_GETPWUID_R:
+ *	This symbol, if defined, indicates that the getpwuid_r routine
+ *	is available to getpwuid re-entrantly.
+ */
+/* GETPWUID_R_PROTO:
+ *	This symbol encodes the prototype of getpwuid_r.
+ *	It is zero if d_getpwuid_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
+ *	is defined.
+ */
+#$d_getpwuid_r HAS_GETPWUID_R	   /**/
+#define GETPWUID_R_PROTO $getpwuid_r_proto	   /**/
+
+/* HAS_GETSERVENT:
+ *	This symbol, if defined, indicates that the getservent() routine is
+ *	available to look up network services in some data base or another.
+ */
+#$d_getsent HAS_GETSERVENT		/**/
+
+/* HAS_GETSERVBYNAME_R:
+ *	This symbol, if defined, indicates that the getservbyname_r routine
+ *	is available to getservbyname re-entrantly.
+ */
+/* GETSERVBYNAME_R_PROTO:
+ *	This symbol encodes the prototype of getservbyname_r.
+ *	It is zero if d_getservbyname_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
+ *	is defined.
+ */
+#$d_getservbyname_r HAS_GETSERVBYNAME_R	   /**/
+#define GETSERVBYNAME_R_PROTO $getservbyname_r_proto	   /**/
+
+/* HAS_GETSERVBYPORT_R:
+ *	This symbol, if defined, indicates that the getservbyport_r routine
+ *	is available to getservbyport re-entrantly.
+ */
+/* GETSERVBYPORT_R_PROTO:
+ *	This symbol encodes the prototype of getservbyport_r.
+ *	It is zero if d_getservbyport_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
+ *	is defined.
+ */
+#$d_getservbyport_r HAS_GETSERVBYPORT_R	   /**/
+#define GETSERVBYPORT_R_PROTO $getservbyport_r_proto	   /**/
+
+/* HAS_GETSERVENT_R:
+ *	This symbol, if defined, indicates that the getservent_r routine
+ *	is available to getservent re-entrantly.
+ */
+/* GETSERVENT_R_PROTO:
+ *	This symbol encodes the prototype of getservent_r.
+ *	It is zero if d_getservent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
+ *	is defined.
+ */
+#$d_getservent_r HAS_GETSERVENT_R	   /**/
+#define GETSERVENT_R_PROTO $getservent_r_proto	   /**/
+
+/* HAS_GETSERV_PROTOS:
+ *	This symbol, if defined, indicates that <netdb.h> includes
+ *	prototypes for getservent(), getservbyname(), and
+ *	getservbyaddr().  Otherwise, it is up to the program to guess
+ *	them.  See netdbtype.U for probing for various Netdb_xxx_t types.
+ */
+#$d_getservprotos	HAS_GETSERV_PROTOS	/**/
+
+/* HAS_GETSPNAM_R:
+ *	This symbol, if defined, indicates that the getspnam_r routine
+ *	is available to getspnam re-entrantly.
+ */
+/* GETSPNAM_R_PROTO:
+ *	This symbol encodes the prototype of getspnam_r.
+ *	It is zero if d_getspnam_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
+ *	is defined.
+ */
+#$d_getspnam_r HAS_GETSPNAM_R	   /**/
+#define GETSPNAM_R_PROTO $getspnam_r_proto	   /**/
+
+/* HAS_GETSERVBYNAME:
+ *	This symbol, if defined, indicates that the getservbyname()
+ *	routine is available to look up services by their name.
+ */
+/* HAS_GETSERVBYPORT:
+ *	This symbol, if defined, indicates that the getservbyport()
+ *	routine is available to look up services by their port.
+ */
+#$d_getsbyname HAS_GETSERVBYNAME		/**/
+#$d_getsbyport HAS_GETSERVBYPORT		/**/
+
+/* HAS_GMTIME_R:
+ *	This symbol, if defined, indicates that the gmtime_r routine
+ *	is available to gmtime re-entrantly.
+ */
+/* GMTIME_R_PROTO:
+ *	This symbol encodes the prototype of gmtime_r.
+ *	It is zero if d_gmtime_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
+ *	is defined.
+ */
+#$d_gmtime_r HAS_GMTIME_R	   /**/
+#define GMTIME_R_PROTO $gmtime_r_proto	   /**/
+
+/* HAS_GNULIBC:
+ *	This symbol, if defined, indicates to the C program that
+ *	the GNU C library is being used.  A better check is to use
+ *	the __GLIBC__ and __GLIBC_MINOR__ symbols supplied with glibc.
+ */
+#$d_gnulibc HAS_GNULIBC  	/**/
+#if defined(HAS_GNULIBC) && !defined(_GNU_SOURCE)
+#   define _GNU_SOURCE
+#endif
+
+/* HAS_HTONL:
+ *	This symbol, if defined, indicates that the htonl() routine (and
+ *	friends htons() ntohl() ntohs()) are available to do network
+ *	order byte swapping.
+ */
+/* HAS_HTONS:
+ *	This symbol, if defined, indicates that the htons() routine (and
+ *	friends htonl() ntohl() ntohs()) are available to do network
+ *	order byte swapping.
+ */
+/* HAS_NTOHL:
+ *	This symbol, if defined, indicates that the ntohl() routine (and
+ *	friends htonl() htons() ntohs()) are available to do network
+ *	order byte swapping.
+ */
+/* HAS_NTOHS:
+ *	This symbol, if defined, indicates that the ntohs() routine (and
+ *	friends htonl() htons() ntohl()) are available to do network
+ *	order byte swapping.
+ */
+#$d_htonl HAS_HTONL		/**/
+#$d_htonl HAS_HTONS		/**/
+#$d_htonl HAS_NTOHL		/**/
+#$d_htonl HAS_NTOHS		/**/
+
+/* HAS_ISASCII:
+ *	This manifest constant lets the C program know that isascii
+ *	is available.
+ */
+#$d_isascii HAS_ISASCII		/**/
+
+/* HAS_LCHOWN:
+ *	This symbol, if defined, indicates that the lchown routine is
+ *	available to operate on a symbolic link (instead of following the
+ *	link).
+ */
+#$d_lchown HAS_LCHOWN		/**/
+
+/* HAS_LOCALTIME_R:
+ *	This symbol, if defined, indicates that the localtime_r routine
+ *	is available to localtime re-entrantly.
+ */
+/* LOCALTIME_R_NEEDS_TZSET:
+ *	Many libc's localtime_r implementations do not call tzset,
+ *	making them differ from localtime(), and making timezone
+ *	changes using \$ENV{TZ} without explicitly calling tzset
+ *	impossible. This symbol makes us call tzset before localtime_r
+ */
+#$d_localtime_r_needs_tzset LOCALTIME_R_NEEDS_TZSET /**/
+#ifdef LOCALTIME_R_NEEDS_TZSET
+#define L_R_TZSET tzset(),
+#else
+#define L_R_TZSET
+#endif
+
+/* LOCALTIME_R_PROTO:
+ *	This symbol encodes the prototype of localtime_r.
+ *	It is zero if d_localtime_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
+ *	is defined.
+ */
+#$d_localtime_r HAS_LOCALTIME_R	   /**/
+#define LOCALTIME_R_PROTO $localtime_r_proto	   /**/
+
+/* HAS_LONG_DOUBLE:
+ *	This symbol will be defined if the C compiler supports long
+ *	doubles.
+ */
+/* LONG_DOUBLESIZE:
+ *	This symbol contains the size of a long double, so that the
+ *	C preprocessor can make decisions based on it.  It is only
+ *	defined if the system supports long doubles.   Note that this
+ *	is sizeof(long double), which may include unused bytes.
+ */
+/* HAS_LDEXPL:
+ *	This symbol, if defined, indicates that the ldexpl routine is
+ *	available to shift a long double floating-point number
+ *	by an integral power of 2.
+ */
+/* LONG_DOUBLEKIND:
+ *	LONG_DOUBLEKIND will be one of
+ *	LONG_DOUBLE_IS_DOUBLE
+ *	LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
+ *	LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
+ *	LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
+ *	LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
+ *	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
+ *	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
+ *	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE
+ *	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
+ *	LONG_DOUBLE_IS_UNKNOWN_FORMAT
+ *	It is only defined if the system supports long doubles.
+ */
+#$d_ldexpl  HAS_LDEXPL		/**/
+#$d_longdbl HAS_LONG_DOUBLE		/**/
+#ifdef HAS_LONG_DOUBLE
+#define LONG_DOUBLESIZE $longdblsize		/**/
+#define LONG_DOUBLEKIND $longdblkind		/**/
+#define LONG_DOUBLE_IS_DOUBLE				0
+#define LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN	1
+#define LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN	2
+#define LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN		3
+#define LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN		4
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE	5
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE	6
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE	7
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE	8
+#define LONG_DOUBLE_IS_UNKNOWN_FORMAT			-1
+/* Backward compat. */
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
+#define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN	LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
+#endif
+
+/* HAS_LONG_LONG:
+ *	This symbol will be defined if the C compiler supports long long.
+ */
+/* LONGLONGSIZE:
+ *	This symbol contains the size of a long long, so that the
+ *	C preprocessor can make decisions based on it.  It is only
+ *	defined if the system supports long long.
+ */
+#$d_longlong HAS_LONG_LONG		/**/
+#ifdef HAS_LONG_LONG
+#define LONGLONGSIZE $longlongsize		/**/
+#endif
+
+/* HAS_LSEEK_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the lseek() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern off_t lseek(int, off_t, int);
+ */
+#$d_lseekproto	HAS_LSEEK_PROTO	/**/
+
+/* HAS_MEMCHR:
+ *	This symbol, if defined, indicates that the memchr routine is available
+ *	to locate characters within a C string.
+ */
+#$d_memchr HAS_MEMCHR	/**/
+
+/* HAS_MKSTEMP:
+ *	This symbol, if defined, indicates that the mkstemp routine is
+ *	available to exclusively create and open a uniquely named
+ *	temporary file.
+ */
+#$d_mkstemp HAS_MKSTEMP		/**/
+
+/* HAS_MMAP:
+ *	This symbol, if defined, indicates that the mmap system call is
+ *	available to map a file into memory.
+ */
+/* Mmap_t:
+ *	This symbol holds the return type of the mmap() system call
+ *	(and simultaneously the type of the first argument).
+ *	Usually set to 'void *' or 'caddr_t'.
+ */
+#$d_mmap HAS_MMAP		/**/
+#define Mmap_t $mmaptype	/**/
+
+/* HAS_MSG:
+ *	This symbol, if defined, indicates that the entire msg*(2) library is
+ *	supported (IPC mechanism based on message queues).
+ */
+#$d_msg HAS_MSG		/**/
+
+/* HAS_OPEN3:
+ *	This manifest constant lets the C program know that the three
+ *	argument form of open(2) is available.
+ */
+#$d_open3 HAS_OPEN3		/**/
+
+/* OLD_PTHREAD_CREATE_JOINABLE:
+ *	This symbol, if defined, indicates how to create pthread
+ *	in joinable (aka undetached) state.  NOTE: not defined
+ *	if pthread.h already has defined PTHREAD_CREATE_JOINABLE
+ *	(the new version of the constant).
+ *	If defined, known values are PTHREAD_CREATE_UNDETACHED
+ *	and __UNDETACHED.
+ */
+#$d_old_pthread_create_joinable OLD_PTHREAD_CREATE_JOINABLE $old_pthread_create_joinable /**/
+
+/* HAS_PTHREAD_ATFORK:
+ *	This symbol, if defined, indicates that the pthread_atfork routine
+ *	is available to setup fork handlers.
+ */
+#$d_pthread_atfork HAS_PTHREAD_ATFORK		/**/
+
+/* HAS_PTHREAD_YIELD:
+ *	This symbol, if defined, indicates that the pthread_yield
+ *	routine is available to yield the execution of the current
+ *	thread.	 sched_yield is preferable to pthread_yield.
+ */
+/* SCHED_YIELD:
+ *	This symbol defines the way to yield the execution of
+ *	the current thread.  Known ways are sched_yield,
+ *	pthread_yield, and pthread_yield with NULL.
+ */
+/* HAS_SCHED_YIELD:
+ *	This symbol, if defined, indicates that the sched_yield
+ *	routine is available to yield the execution of the current
+ *	thread.	 sched_yield is preferable to pthread_yield.
+ */
+#$d_pthread_yield HAS_PTHREAD_YIELD	/**/
+#define SCHED_YIELD	$sched_yield	/**/
+#$d_sched_yield HAS_SCHED_YIELD	/**/
+
+/* HAS_RANDOM_R:
+ *	This symbol, if defined, indicates that the random_r routine
+ *	is available to random re-entrantly.
+ */
+/* RANDOM_R_PROTO:
+ *	This symbol encodes the prototype of random_r.
+ *	It is zero if d_random_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
+ *	is defined.
+ */
+#$d_random_r HAS_RANDOM_R	   /**/
+#define RANDOM_R_PROTO $random_r_proto	   /**/
+
+/* HAS_READDIR64_R:
+ *	This symbol, if defined, indicates that the readdir64_r routine
+ *	is available to readdir64 re-entrantly.
+ */
+/* READDIR64_R_PROTO:
+ *	This symbol encodes the prototype of readdir64_r.
+ *	It is zero if d_readdir64_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
+ *	is defined.
+ */
+#$d_readdir64_r HAS_READDIR64_R	   /**/
+#define READDIR64_R_PROTO $readdir64_r_proto	   /**/
+
+/* HAS_READDIR_R:
+ *	This symbol, if defined, indicates that the readdir_r routine
+ *	is available to readdir re-entrantly.
+ */
+/* READDIR_R_PROTO:
+ *	This symbol encodes the prototype of readdir_r.
+ *	It is zero if d_readdir_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
+ *	is defined.
+ */
+#$d_readdir_r HAS_READDIR_R	   /**/
+#define READDIR_R_PROTO $readdir_r_proto	   /**/
+
+/* HAS_SAFE_BCOPY:
+ *	This symbol, if defined, indicates that the bcopy routine is available
+ *	to copy potentially overlapping memory blocks. Normally, you should
+ *	probably use memmove() or memcpy(). If neither is defined, roll your
+ *	own version.
+ */
+#$d_safebcpy HAS_SAFE_BCOPY	/**/
+
+/* HAS_SAFE_MEMCPY:
+ *	This symbol, if defined, indicates that the memcpy routine is available
+ *	to copy potentially overlapping memory blocks.  If you need to
+ *	copy overlapping memory blocks, you should check HAS_MEMMOVE and
+ *	use memmove() instead, if available.
+ */
+#$d_safemcpy HAS_SAFE_MEMCPY	/**/
+
+/* HAS_SANE_MEMCMP:
+ *	This symbol, if defined, indicates that the memcmp routine is available
+ *	and can be used to compare relative magnitudes of chars with their high
+ *	bits set.  If it is not defined, roll your own version.
+ */
+#$d_sanemcmp HAS_SANE_MEMCMP	/**/
+
+/* HAS_SEM:
+ *	This symbol, if defined, indicates that the entire sem*(2) library is
+ *	supported.
+ */
+#$d_sem HAS_SEM		/**/
+
+/* HAS_SETGRENT:
+ *	This symbol, if defined, indicates that the setgrent routine is
+ *	available for initializing sequential access of the group database.
+ */
+#$d_setgrent HAS_SETGRENT		/**/
+
+/* HAS_SETGRENT_R:
+ *	This symbol, if defined, indicates that the setgrent_r routine
+ *	is available to setgrent re-entrantly.
+ */
+/* SETGRENT_R_PROTO:
+ *	This symbol encodes the prototype of setgrent_r.
+ *	It is zero if d_setgrent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
+ *	is defined.
+ */
+#$d_setgrent_r HAS_SETGRENT_R	   /**/
+#define SETGRENT_R_PROTO $setgrent_r_proto	   /**/
+
+/* HAS_SETHOSTENT:
+ *	This symbol, if defined, indicates that the sethostent() routine is
+ *	available.
+ */
+#$d_sethent HAS_SETHOSTENT		/**/
+
+/* HAS_SETHOSTENT_R:
+ *	This symbol, if defined, indicates that the sethostent_r routine
+ *	is available to sethostent re-entrantly.
+ */
+/* SETHOSTENT_R_PROTO:
+ *	This symbol encodes the prototype of sethostent_r.
+ *	It is zero if d_sethostent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
+ *	is defined.
+ */
+#$d_sethostent_r HAS_SETHOSTENT_R	   /**/
+#define SETHOSTENT_R_PROTO $sethostent_r_proto	   /**/
+
+/* HAS_SETLOCALE_R:
+ *	This symbol, if defined, indicates that the setlocale_r routine
+ *	is available to setlocale re-entrantly.
+ */
+/* SETLOCALE_R_PROTO:
+ *	This symbol encodes the prototype of setlocale_r.
+ *	It is zero if d_setlocale_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
+ *	is defined.
+ */
+#$d_setlocale_r HAS_SETLOCALE_R	   /**/
+#define SETLOCALE_R_PROTO $setlocale_r_proto	   /**/
+
+/* HAS_SETNETENT:
+ *	This symbol, if defined, indicates that the setnetent() routine is
+ *	available.
+ */
+#$d_setnent HAS_SETNETENT		/**/
+
+/* HAS_SETNETENT_R:
+ *	This symbol, if defined, indicates that the setnetent_r routine
+ *	is available to setnetent re-entrantly.
+ */
+/* SETNETENT_R_PROTO:
+ *	This symbol encodes the prototype of setnetent_r.
+ *	It is zero if d_setnetent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
+ *	is defined.
+ */
+#$d_setnetent_r HAS_SETNETENT_R	   /**/
+#define SETNETENT_R_PROTO $setnetent_r_proto	   /**/
+
+/* HAS_SETPROTOENT:
+ *	This symbol, if defined, indicates that the setprotoent() routine is
+ *	available.
+ */
+#$d_setpent HAS_SETPROTOENT		/**/
+
+/* HAS_SETPGRP:
+ *	This symbol, if defined, indicates that the setpgrp routine is
+ *	available to set the current process group.
+ */
+/* USE_BSD_SETPGRP:
+ *	This symbol, if defined, indicates that setpgrp needs two
+ *	arguments whereas USG one needs none.  See also HAS_SETPGID
+ *	for a POSIX interface.
+ */
+#$d_setpgrp HAS_SETPGRP		/**/
+#$d_bsdsetpgrp USE_BSD_SETPGRP	/**/
+
+/* HAS_SETPROTOENT_R:
+ *	This symbol, if defined, indicates that the setprotoent_r routine
+ *	is available to setprotoent re-entrantly.
+ */
+/* SETPROTOENT_R_PROTO:
+ *	This symbol encodes the prototype of setprotoent_r.
+ *	It is zero if d_setprotoent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
+ *	is defined.
+ */
+#$d_setprotoent_r HAS_SETPROTOENT_R	   /**/
+#define SETPROTOENT_R_PROTO $setprotoent_r_proto	   /**/
+
+/* HAS_SETPWENT:
+ *	This symbol, if defined, indicates that the setpwent routine is
+ *	available for initializing sequential access of the passwd database.
+ */
+#$d_setpwent HAS_SETPWENT		/**/
+
+/* HAS_SETPWENT_R:
+ *	This symbol, if defined, indicates that the setpwent_r routine
+ *	is available to setpwent re-entrantly.
+ */
+/* SETPWENT_R_PROTO:
+ *	This symbol encodes the prototype of setpwent_r.
+ *	It is zero if d_setpwent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
+ *	is defined.
+ */
+#$d_setpwent_r HAS_SETPWENT_R	   /**/
+#define SETPWENT_R_PROTO $setpwent_r_proto	   /**/
+
+/* HAS_SETSERVENT:
+ *	This symbol, if defined, indicates that the setservent() routine is
+ *	available.
+ */
+#$d_setsent HAS_SETSERVENT		/**/
+
+/* HAS_SETSERVENT_R:
+ *	This symbol, if defined, indicates that the setservent_r routine
+ *	is available to setservent re-entrantly.
+ */
+/* SETSERVENT_R_PROTO:
+ *	This symbol encodes the prototype of setservent_r.
+ *	It is zero if d_setservent_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
+ *	is defined.
+ */
+#$d_setservent_r HAS_SETSERVENT_R	   /**/
+#define SETSERVENT_R_PROTO $setservent_r_proto	   /**/
+
+/* HAS_SETVBUF:
+ *	This symbol, if defined, indicates that the setvbuf routine is
+ *	available to change buffering on an open stdio stream.
+ *	to a line-buffered mode.
+ */
+#$d_setvbuf HAS_SETVBUF		/**/
+
+/* HAS_SHM:
+ *	This symbol, if defined, indicates that the entire shm*(2) library is
+ *	supported.
+ */
+#$d_shm HAS_SHM		/**/
+
+/* Shmat_t:
+ *	This symbol holds the return type of the shmat() system call.
+ *	Usually set to 'void *' or 'char *'.
+ */
+/* HAS_SHMAT_PROTOTYPE:
+ *	This symbol, if defined, indicates that the sys/shm.h includes
+ *	a prototype for shmat().  Otherwise, it is up to the program to
+ *	guess one.  Shmat_t shmat(int, Shmat_t, int) is a good guess,
+ *	but not always right so it should be emitted by the program only
+ *	when HAS_SHMAT_PROTOTYPE is not defined to avoid conflicting defs.
+ */
+#define Shmat_t $shmattype	/**/
+#$d_shmatprototype HAS_SHMAT_PROTOTYPE	/**/
+
+/* HAS_SIGACTION:
+ *	This symbol, if defined, indicates that Vr4's sigaction() routine
+ *	is available.
+ */
+#$d_sigaction HAS_SIGACTION	/**/
+
+/* HAS_SIGSETJMP:
+ *	This variable indicates to the C program that the sigsetjmp()
+ *	routine is available to save the calling process's registers
+ *	and stack environment for later use by siglongjmp(), and
+ *	to optionally save the process's signal mask.  See
+ *	Sigjmp_buf, Sigsetjmp, and Siglongjmp.
+ */
+/* Sigjmp_buf:
+ *	This is the buffer type to be used with Sigsetjmp and Siglongjmp.
+ */
+/* Sigsetjmp:
+ *	This macro is used in the same way as sigsetjmp(), but will invoke
+ *	traditional setjmp() if sigsetjmp isn't available.
+ *	See HAS_SIGSETJMP.
+ */
+/* Siglongjmp:
+ *	This macro is used in the same way as siglongjmp(), but will invoke
+ *	traditional longjmp() if siglongjmp isn't available.
+ *	See HAS_SIGSETJMP.
+ */
+#$d_sigsetjmp HAS_SIGSETJMP	/**/
+#ifdef HAS_SIGSETJMP
+#define Sigjmp_buf sigjmp_buf
+#define Sigsetjmp(buf,save_mask) sigsetjmp((buf),(save_mask))
+#define Siglongjmp(buf,retval) siglongjmp((buf),(retval))
+#else
+#define Sigjmp_buf jmp_buf
+#define Sigsetjmp(buf,save_mask) setjmp((buf))
+#define Siglongjmp(buf,retval) longjmp((buf),(retval))
+#endif
+
+/* HAS_SOCKET:
+ *	This symbol, if defined, indicates that the BSD socket interface is
+ *	supported.
+ */
+/* HAS_SOCKETPAIR:
+ *	This symbol, if defined, indicates that the BSD socketpair() call is
+ *	supported.
+ */
+/* HAS_MSG_CTRUNC:
+ *	This symbol, if defined, indicates that the MSG_CTRUNC is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_MSG_DONTROUTE:
+ *	This symbol, if defined, indicates that the MSG_DONTROUTE is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_MSG_OOB:
+ *	This symbol, if defined, indicates that the MSG_OOB is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_MSG_PEEK:
+ *	This symbol, if defined, indicates that the MSG_PEEK is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_MSG_PROXY:
+ *	This symbol, if defined, indicates that the MSG_PROXY is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_SCM_RIGHTS:
+ *	This symbol, if defined, indicates that the SCM_RIGHTS is supported.
+ *	Checking just with #ifdef might not be enough because this symbol
+ *	has been known to be an enum.
+ */
+/* HAS_SOCKADDR_SA_LEN:
+ *	This symbol, if defined, indicates that the struct sockaddr
+ *	structure has a member called sa_len, indicating the length of
+ *	the structure.
+ */
+/* HAS_SOCKADDR_IN6:
+ *	This symbol, if defined, indicates the availability of
+ *	struct sockaddr_in6;
+ */
+/* HAS_SIN6_SCOPE_ID:
+ *	This symbol, if defined, indicates that the struct sockaddr_in6
+ *	structure has a member called sin6_scope_id.
+ */
+/* HAS_IP_MREQ:
+ *	This symbol, if defined, indicates the availability of
+ *	struct ip_mreq;
+ */
+/* HAS_IP_MREQ_SOURCE:
+ *	This symbol, if defined, indicates the availability of
+ *	struct ip_mreq_source;
+ */
+/* HAS_IPV6_MREQ:
+ *	This symbol, if defined, indicates the availability of
+ *	struct ipv6_mreq;
+ */
+/* HAS_IPV6_MREQ_SOURCE:
+ *	This symbol, if defined, indicates the availability of
+ *	struct ipv6_mreq_source;
+ */
+#$d_socket	HAS_SOCKET		/**/
+#$d_sockpair	HAS_SOCKETPAIR	/**/
+#$d_sockaddr_sa_len	HAS_SOCKADDR_SA_LEN	/**/
+#$d_msg_ctrunc	HAS_MSG_CTRUNC	/**/
+#$d_msg_dontroute	HAS_MSG_DONTROUTE	/**/
+#$d_msg_oob	HAS_MSG_OOB	/**/
+#$d_msg_peek	HAS_MSG_PEEK	/**/
+#$d_msg_proxy	HAS_MSG_PROXY	/**/
+#$d_scm_rights	HAS_SCM_RIGHTS	/**/
+#$d_sockaddr_in6	HAS_SOCKADDR_IN6	/**/
+#$d_sin6_scope_id	HAS_SIN6_SCOPE_ID	/**/
+#$d_ip_mreq	HAS_IP_MREQ	/**/
+#$d_ip_mreq_source	HAS_IP_MREQ_SOURCE	/**/
+#$d_ipv6_mreq	HAS_IPV6_MREQ	/**/
+#$d_ipv6_mreq_source	HAS_IPV6_MREQ_SOURCE	/**/
+
+/* HAS_SRAND48_R:
+ *	This symbol, if defined, indicates that the srand48_r routine
+ *	is available to srand48 re-entrantly.
+ */
+/* SRAND48_R_PROTO:
+ *	This symbol encodes the prototype of srand48_r.
+ *	It is zero if d_srand48_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
+ *	is defined.
+ */
+#$d_srand48_r HAS_SRAND48_R	   /**/
+#define SRAND48_R_PROTO $srand48_r_proto	   /**/
+
+/* HAS_SRANDOM_R:
+ *	This symbol, if defined, indicates that the srandom_r routine
+ *	is available to srandom re-entrantly.
+ */
+/* SRANDOM_R_PROTO:
+ *	This symbol encodes the prototype of srandom_r.
+ *	It is zero if d_srandom_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
+ *	is defined.
+ */
+#$d_srandom_r HAS_SRANDOM_R	   /**/
+#define SRANDOM_R_PROTO $srandom_r_proto	   /**/
+
+/* USE_STAT_BLOCKS:
+ *	This symbol is defined if this system has a stat structure declaring
+ *	st_blksize and st_blocks.
+ */
+#ifndef USE_STAT_BLOCKS
+#$d_statblks USE_STAT_BLOCKS 	/**/
+#endif
+
+/* HAS_STATIC_INLINE:
+ *	This symbol, if defined, indicates that the C compiler supports
+ *	C99-style static inline.  That is, the function can't be called
+ *	from another translation unit.
+ */
+/* PERL_STATIC_INLINE:
+ *	This symbol gives the best-guess incantation to use for static
+ *	inline functions.  If HAS_STATIC_INLINE is defined, this will
+ *	give C99-style inline.  If HAS_STATIC_INLINE is not defined,
+ *	this will give a plain 'static'.  It will always be defined
+ *	to something that gives static linkage.
+ *	Possibilities include
+ *		static inline       (c99)
+ *		static __inline__   (gcc -ansi)
+ *		static __inline     (MSVC)
+ *		static _inline      (older MSVC)
+ *		static              (c89 compilers)
+ */
+#$d_static_inline HAS_STATIC_INLINE				/**/
+#define PERL_STATIC_INLINE $perl_static_inline	/**/
+
+/* USE_STDIO_PTR:
+ *	This symbol is defined if the _ptr and _cnt fields (or similar)
+ *	of the stdio FILE structure can be used to access the stdio buffer
+ *	for a file handle.  If this is defined, then the FILE_ptr(fp)
+ *	and FILE_cnt(fp) macros will also be defined and should be used
+ *	to access these fields.
+ */
+/* FILE_ptr:
+ *	This macro is used to access the _ptr field (or equivalent) of the
+ *	FILE structure pointed to by its argument. This macro will always be
+ *	defined if USE_STDIO_PTR is defined.
+ */
+/* STDIO_PTR_LVALUE:
+ *	This symbol is defined if the FILE_ptr macro can be used as an
+ *	lvalue.
+ */
+/* FILE_cnt:
+ *	This macro is used to access the _cnt field (or equivalent) of the
+ *	FILE structure pointed to by its argument. This macro will always be
+ *	defined if USE_STDIO_PTR is defined.
+ */
+/* STDIO_CNT_LVALUE:
+ *	This symbol is defined if the FILE_cnt macro can be used as an
+ *	lvalue.
+ */
+/* STDIO_PTR_LVAL_SETS_CNT:
+ *	This symbol is defined if using the FILE_ptr macro as an lvalue
+ *	to increase the pointer by n has the side effect of decreasing the
+ *	value of File_cnt(fp) by n.
+ */
+/* STDIO_PTR_LVAL_NOCHANGE_CNT:
+ *	This symbol is defined if using the FILE_ptr macro as an lvalue
+ *	to increase the pointer by n leaves File_cnt(fp) unchanged.
+ */
+#$d_stdstdio USE_STDIO_PTR 	/**/
+#ifdef USE_STDIO_PTR
+#define FILE_ptr(fp)	$stdio_ptr
+#$d_stdio_ptr_lval STDIO_PTR_LVALUE 		/**/
+#define FILE_cnt(fp)	$stdio_cnt
+#$d_stdio_cnt_lval STDIO_CNT_LVALUE 		/**/
+#$d_stdio_ptr_lval_sets_cnt STDIO_PTR_LVAL_SETS_CNT	/**/
+#$d_stdio_ptr_lval_nochange_cnt STDIO_PTR_LVAL_NOCHANGE_CNT	/**/
+#endif
+
+/* USE_STDIO_BASE:
+ *	This symbol is defined if the _base field (or similar) of the
+ *	stdio FILE structure can be used to access the stdio buffer for
+ *	a file handle.  If this is defined, then the FILE_base(fp) macro
+ *	will also be defined and should be used to access this field.
+ *	Also, the FILE_bufsiz(fp) macro will be defined and should be used
+ *	to determine the number of bytes in the buffer.  USE_STDIO_BASE
+ *	will never be defined unless USE_STDIO_PTR is.
+ */
+/* FILE_base:
+ *	This macro is used to access the _base field (or equivalent) of the
+ *	FILE structure pointed to by its argument. This macro will always be
+ *	defined if USE_STDIO_BASE is defined.
+ */
+/* FILE_bufsiz:
+ *	This macro is used to determine the number of bytes in the I/O
+ *	buffer pointed to by _base field (or equivalent) of the FILE
+ *	structure pointed to its argument. This macro will always be defined
+ *	if USE_STDIO_BASE is defined.
+ */
+#$d_stdiobase USE_STDIO_BASE 	/**/
+#ifdef USE_STDIO_BASE
+#define FILE_base(fp)	$stdio_base
+#define FILE_bufsiz(fp)	$stdio_bufsiz
+#endif
+
+/* USE_STRUCT_COPY:
+ *	This symbol, if defined, indicates that this C compiler knows how
+ *	to copy structures.  If undefined, you'll need to use a block copy
+ *	routine of some sort instead.
+ */
+#$d_strctcpy	USE_STRUCT_COPY	/**/
+
+/* HAS_STRERROR:
+ *	This symbol, if defined, indicates that the strerror routine is
+ *	available to translate error numbers to strings. See the writeup
+ *	of Strerror() in this file before you try to define your own.
+ */
+/* HAS_SYS_ERRLIST:
+ *	This symbol, if defined, indicates that the sys_errlist array is
+ *	available to translate error numbers to strings. The extern int
+ *	sys_nerr gives the size of that table.
+ */
+/* Strerror:
+ *	This preprocessor symbol is defined as a macro if strerror() is
+ *	not available to translate error numbers to strings but sys_errlist[]
+ *	array is there.
+ */
+#$d_strerror HAS_STRERROR		/**/
+#$d_syserrlst HAS_SYS_ERRLIST	/**/
+#define Strerror(e) $d_strerrm
+
+/* HAS_STRERROR_R:
+ *	This symbol, if defined, indicates that the strerror_r routine
+ *	is available to strerror re-entrantly.
+ */
+/* STRERROR_R_PROTO:
+ *	This symbol encodes the prototype of strerror_r.
+ *	It is zero if d_strerror_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
+ *	is defined.
+ */
+#$d_strerror_r HAS_STRERROR_R	   /**/
+#define STRERROR_R_PROTO $strerror_r_proto	   /**/
+
+/* HAS_STRTOUL:
+ *	This symbol, if defined, indicates that the strtoul routine is
+ *	available to provide conversion of strings to unsigned long.
+ */
+#$d_strtoul HAS_STRTOUL	/**/
+
+/* HAS_TIME:
+ *	This symbol, if defined, indicates that the time() routine exists.
+ */
+/* Time_t:
+ *	This symbol holds the type returned by time(). It can be long,
+ *	or time_t on BSD sites (in which case <sys/types.h> should be
+ *	included).
+ */
+#$d_time HAS_TIME		/**/
+#define Time_t $timetype		/* Time type */
+
+/* HAS_TIMES:
+ *	This symbol, if defined, indicates that the times() routine exists.
+ *	Note that this became obsolete on some systems (SUNOS), which now
+ * use getrusage(). It may be necessary to include <sys/times.h>.
+ */
+#$d_times HAS_TIMES		/**/
+
+/* HAS_TMPNAM_R:
+ *	This symbol, if defined, indicates that the tmpnam_r routine
+ *	is available to tmpnam re-entrantly.
+ */
+/* TMPNAM_R_PROTO:
+ *	This symbol encodes the prototype of tmpnam_r.
+ *	It is zero if d_tmpnam_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
+ *	is defined.
+ */
+#$d_tmpnam_r HAS_TMPNAM_R	   /**/
+#define TMPNAM_R_PROTO $tmpnam_r_proto	   /**/
+
+/* HAS_TTYNAME_R:
+ *	This symbol, if defined, indicates that the ttyname_r routine
+ *	is available to ttyname re-entrantly.
+ */
+/* TTYNAME_R_PROTO:
+ *	This symbol encodes the prototype of ttyname_r.
+ *	It is zero if d_ttyname_r is undef, and one of the
+ *	REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
+ *	is defined.
+ */
+#$d_ttyname_r HAS_TTYNAME_R	   /**/
+#define TTYNAME_R_PROTO $ttyname_r_proto	   /**/
+
+/* HAS_UNION_SEMUN:
+ *	This symbol, if defined, indicates that the union semun is
+ *	defined by including <sys/sem.h>.  If not, the user code
+ *	probably needs to define it as:
+ *	union semun {
+ *	    int val;
+ *	    struct semid_ds *buf;
+ *	    unsigned short *array;
+ *	}
+ */
+/* USE_SEMCTL_SEMUN:
+ *	This symbol, if defined, indicates that union semun is
+ *	used for semctl IPC_STAT.
+ */
+/* USE_SEMCTL_SEMID_DS:
+ *	This symbol, if defined, indicates that struct semid_ds * is
+ *	used for semctl IPC_STAT.
+ */
+#$d_union_semun HAS_UNION_SEMUN	/**/
+#$d_semctl_semun USE_SEMCTL_SEMUN	/**/
+#$d_semctl_semid_ds USE_SEMCTL_SEMID_DS	/**/
+
+/* HAS_VFORK:
+ *	This symbol, if defined, indicates that vfork() exists.
+ */
+#$d_vfork HAS_VFORK	/**/
+
+/* HAS_PSEUDOFORK:
+ *	This symbol, if defined, indicates that an emulation of the
+ *	fork routine is available.
+ */
+#$d_pseudofork HAS_PSEUDOFORK	/**/
+
+/* Signal_t:
+ *	This symbol's value is either "void" or "int", corresponding to the
+ *	appropriate return type of a signal handler.  Thus, you can declare
+ *	a signal handler using "Signal_t (*handler)()", and define the
+ *	handler using "Signal_t handler(sig)".
+ */
+#define Signal_t $signal_t	/* Signal handler's return type */
+
+/* HASVOLATILE:
+ *	This symbol, if defined, indicates that this C compiler knows about
+ *	the volatile declaration.
+ */
+#$d_volatile	HASVOLATILE	/**/
+#ifndef HASVOLATILE
+#define volatile
+#endif
+
+/* HAS_VPRINTF:
+ *	This symbol, if defined, indicates that the vprintf routine is available
+ *	to printf with a pointer to an argument list.  If unavailable, you
+ *	may need to write your own, probably in terms of _doprnt().
+ */
+/* USE_CHAR_VSPRINTF:
+ *	This symbol is defined if this system has vsprintf() returning type
+ *	(char*).  The trend seems to be to declare it as "int vsprintf()".  It
+ *	is up to the package author to declare vsprintf correctly based on the
+ *	symbol.
+ */
+#$d_vprintf HAS_VPRINTF	/**/
+#$d_charvspr USE_CHAR_VSPRINTF 	/**/
+
+/* DOUBLESIZE:
+ *	This symbol contains the size of a double, so that the C preprocessor
+ *	can make decisions based on it.
+ */
+#define DOUBLESIZE $doublesize		/**/
+
+/* EBCDIC:
+ *	This symbol, if defined, indicates that this system uses
+ *	EBCDIC encoding.
+ */
+#$ebcdic	EBCDIC 		/**/
+
+/* Fpos_t:
+ *	This symbol holds the type used to declare file positions in libc.
+ *	It can be fpos_t, long, uint, etc... It may be necessary to include
+ *	<sys/types.h> to get any typedef'ed information.
+ */
+#define Fpos_t $fpostype		/* File position type */
+
+/* Gid_t_f:
+ *	This symbol defines the format string used for printing a Gid_t.
+ */
+#define	Gid_t_f		$gidformat		/**/
+
+/* Gid_t_sign:
+ *	This symbol holds the signedness of a Gid_t.
+ *	1 for unsigned, -1 for signed.
+ */
+#define Gid_t_sign	$gidsign		/* GID sign */
+
+/* Gid_t_size:
+ *	This symbol holds the size of a Gid_t in bytes.
+ */
+#define Gid_t_size $gidsize		/* GID size */
+
+/* Gid_t:
+ *	This symbol holds the return type of getgid() and the type of
+ *	argument to setrgid() and related functions.  Typically,
+ *	it is the type of group ids in the kernel. It can be int, ushort,
+ *	gid_t, etc... It may be necessary to include <sys/types.h> to get
+ *	any typedef'ed information.
+ */
+#define Gid_t $gidtype		/* Type for getgid(), etc... */
+
+/* I_DIRENT:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <dirent.h>. Using this symbol also triggers the definition
+ *	of the Direntry_t define which ends up being 'struct dirent' or
+ *	'struct direct' depending on the availability of <dirent.h>.
+ */
+/* DIRNAMLEN:
+ *	This symbol, if defined, indicates to the C program that the length
+ *	of directory entry names is provided by a d_namlen field.  Otherwise
+ *	you need to do strlen() on the d_name field.
+ */
+/* Direntry_t:
+ *	This symbol is set to 'struct direct' or 'struct dirent' depending on
+ *	whether dirent is available or not. You should use this pseudo type to
+ *	portably declare your directory entries.
+ */
+#$i_dirent I_DIRENT		/**/
+#$d_dirnamlen DIRNAMLEN	/**/
+#define Direntry_t $direntrytype
+
+/* I_EXECINFO:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <execinfo.h> for backtrace() support.
+ */
+#$i_execinfo I_EXECINFO		/**/
+
+/* I_GRP:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <grp.h>.
+ */
+/* GRPASSWD:
+ *	This symbol, if defined, indicates to the C program that struct group
+ *	in <grp.h> contains gr_passwd.
+ */
+#$i_grp I_GRP		/**/
+#$d_grpasswd GRPASSWD	/**/
+
+/* I_MACH_CTHREADS:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <mach/cthreads.h>.
+ */
+#$i_machcthr   I_MACH_CTHREADS	/**/
+
+/* I_NDBM:
+ *	This symbol, if defined, indicates that <ndbm.h> exists and should
+ *	be included.
+ */
+/* I_GDBMNDBM:
+ *	This symbol, if defined, indicates that <gdbm/ndbm.h> exists and should
+ *	be included.  This was the location of the ndbm.h compatibility file
+ *	in RedHat 7.1.
+ */
+/* I_GDBM_NDBM:
+ *	This symbol, if defined, indicates that <gdbm-ndbm.h> exists and should
+ *	be included.  This is the location of the ndbm.h compatibility file
+ *	in Debian 4.0.
+ */
+/* NDBM_H_USES_PROTOTYPES:
+ *	This symbol, if defined, indicates that <ndbm.h> uses real ANSI C
+ *	prototypes instead of K&R style function declarations without any
+ *	parameter information. While ANSI C prototypes are supported in C++,
+ *	K&R style function declarations will yield errors.
+ */
+/* GDBMNDBM_H_USES_PROTOTYPES:
+ *	This symbol, if defined, indicates that <gdbm/ndbm.h> uses real ANSI C
+ *	prototypes instead of K&R style function declarations without any
+ *	parameter information. While ANSI C prototypes are supported in C++,
+ *	K&R style function declarations will yield errors.
+ */
+/* GDBM_NDBM_H_USES_PROTOTYPES:
+ *	This symbol, if defined, indicates that <gdbm-ndbm.h> uses real ANSI C
+ *	prototypes instead of K&R style function declarations without any
+ *	parameter information. While ANSI C prototypes are supported in C++,
+ *	K&R style function declarations will yield errors.
+ */
+#$i_ndbm I_NDBM	/**/
+#$i_gdbmndbm I_GDBMNDBM	/**/
+#$i_gdbm_ndbm I_GDBM_NDBM	/**/
+#$d_ndbm_h_uses_prototypes NDBM_H_USES_PROTOTYPES	/**/
+#$d_gdbmndbm_h_uses_prototypes GDBMNDBM_H_USES_PROTOTYPES	/**/
+#$d_gdbm_ndbm_h_uses_prototypes GDBM_NDBM_H_USES_PROTOTYPES	/**/
+
+/* I_NETDB:
+ *	This symbol, if defined, indicates that <netdb.h> exists and
+ *	should be included.
+ */
+#$i_netdb I_NETDB		/**/
+
+/* I_NET_ERRNO:
+ *	This symbol, if defined, indicates that <net/errno.h> exists and
+ *	should be included.
+ */
+#$i_neterrno I_NET_ERRNO		/**/
+
+/* I_PTHREAD:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <pthread.h>.
+ */
+#$i_pthread   I_PTHREAD	/**/
+
+/* I_PWD:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <pwd.h>.
+ */
+/* PWQUOTA:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_quota.
+ */
+/* PWAGE:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_age.
+ */
+/* PWCHANGE:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_change.
+ */
+/* PWCLASS:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_class.
+ */
+/* PWEXPIRE:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_expire.
+ */
+/* PWCOMMENT:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_comment.
+ */
+/* PWGECOS:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_gecos.
+ */
+/* PWPASSWD:
+ *	This symbol, if defined, indicates to the C program that struct passwd
+ *	contains pw_passwd.
+ */
+#$i_pwd I_PWD		/**/
+#$d_pwquota PWQUOTA	/**/
+#$d_pwage PWAGE	/**/
+#$d_pwchange PWCHANGE	/**/
+#$d_pwclass PWCLASS	/**/
+#$d_pwexpire PWEXPIRE	/**/
+#$d_pwcomment PWCOMMENT	/**/
+#$d_pwgecos PWGECOS	/**/
+#$d_pwpasswd PWPASSWD	/**/
+
+/* I_SYS_ACCESS:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <sys/access.h>.
+ */
+#$i_sysaccess   I_SYS_ACCESS                /**/
+
+/* I_SYS_SECURITY:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <sys/security.h>.
+ */
+#$i_syssecrt   I_SYS_SECURITY	/**/
+
+/* I_SYSUIO:
+ *	This symbol, if defined, indicates that <sys/uio.h> exists and
+ *	should be included.
+ */
+#$i_sysuio	I_SYSUIO		/**/
+
+/* I_TERMIO:
+ *	This symbol, if defined, indicates that the program should include
+ *	<termio.h> rather than <sgtty.h>.  There are also differences in
+ *	the ioctl() calls that depend on the value of this symbol.
+ */
+/* I_TERMIOS:
+ *	This symbol, if defined, indicates that the program should include
+ *	the POSIX termios.h rather than sgtty.h or termio.h.
+ *	There are also differences in the ioctl() calls that depend on the
+ *	value of this symbol.
+ */
+/* I_SGTTY:
+ *	This symbol, if defined, indicates that the program should include
+ *	<sgtty.h> rather than <termio.h>.  There are also differences in
+ *	the ioctl() calls that depend on the value of this symbol.
+ */
+#$i_termio I_TERMIO		/**/
+#$i_termios I_TERMIOS		/**/
+#$i_sgtty I_SGTTY		/**/
+
+/* I_TIME:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <time.h>.
+ */
+/* I_SYS_TIME:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/time.h>.
+ */
+/* I_SYS_TIME_KERNEL:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <sys/time.h> with KERNEL defined.
+ */
+/* HAS_TM_TM_ZONE:
+ *	This symbol, if defined, indicates to the C program that
+ *	the struct tm has a tm_zone field.
+ */
+/* HAS_TM_TM_GMTOFF:
+ *	This symbol, if defined, indicates to the C program that
+ *	the struct tm has a tm_gmtoff field.
+ */
+#$i_time I_TIME		/**/
+#$i_systime I_SYS_TIME		/**/
+#$i_systimek I_SYS_TIME_KERNEL		/**/
+#$d_tm_tm_zone HAS_TM_TM_ZONE		/**/
+#$d_tm_tm_gmtoff HAS_TM_TM_GMTOFF		/**/
+
+/* I_STDARG:
+ *	This symbol, if defined, indicates that <stdarg.h> exists and should
+ *	be included.
+ */
+/* I_VARARGS:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <varargs.h>.
+ */
+#$i_stdarg I_STDARG		/**/
+#$i_varargs I_VARARGS	/**/
+
+/* PERL_INC_VERSION_LIST:
+ *	This variable specifies the list of subdirectories in over
+ *	which perl.c:incpush() and lib/lib.pm will automatically
+ *	search when adding directories to @INC, in a format suitable
+ *	for a C initialization string.  See the inc_version_list entry
+ *	in Porting/Glossary for more details.
+ */
+#$d_inc_version_list PERL_INC_VERSION_LIST $inc_version_list_init		/**/
+
+/* INSTALL_USR_BIN_PERL:
+ *	This symbol, if defined, indicates that Perl is to be installed
+ * 	also as /usr/bin/perl.
+ */
+#$installusrbinperl INSTALL_USR_BIN_PERL	/**/
+
+/* Off_t:
+ *	This symbol holds the type used to declare offsets in the kernel.
+ *	It can be int, long, off_t, etc... It may be necessary to include
+ *	<sys/types.h> to get any typedef'ed information.
+ */
+/* LSEEKSIZE:
+ *	This symbol holds the number of bytes used by the Off_t.
+ */
+/* Off_t_size:
+ *	This symbol holds the number of bytes used by the Off_t.
+ */
+#define Off_t $lseektype		/* <offset> type */
+#define LSEEKSIZE $lseeksize		/* <offset> size */
+#define Off_t_size $lseeksize	/* <offset> size */
+
+/* Free_t:
+ *	This variable contains the return type of free().  It is usually
+ * void, but occasionally int.
+ */
+/* Malloc_t:
+ *	This symbol is the type of pointer returned by malloc and realloc.
+ */
+#define Malloc_t $malloctype			/**/
+#define Free_t $freetype			/**/
+
+/* PERL_MALLOC_WRAP:
+ *	This symbol, if defined, indicates that we'd like malloc wrap checks.
+ */
+#$usemallocwrap PERL_MALLOC_WRAP		/**/
+
+/* MYMALLOC:
+ *	This symbol, if defined, indicates that we're using our own malloc.
+ */
+#$d_mymalloc MYMALLOC			/**/
+
+/* Mode_t:
+ *	This symbol holds the type used to declare file modes
+ *	for systems calls.  It is usually mode_t, but may be
+ *	int or unsigned short.  It may be necessary to include <sys/types.h>
+ *	to get any typedef'ed information.
+ */
+#define Mode_t $modetype	 /* file mode parameter for system calls */
+
+/* VAL_O_NONBLOCK:
+ *	This symbol is to be used during open() or fcntl(F_SETFL) to turn on
+ *	non-blocking I/O for the file descriptor. Note that there is no way
+ *	back, i.e. you cannot turn it blocking again this way. If you wish to
+ *	alternatively switch between blocking and non-blocking, use the
+ *	ioctl(FIOSNBIO) call instead, but that is not supported by all devices.
+ */
+/* VAL_EAGAIN:
+ *	This symbol holds the errno error code set by read() when no data was
+ *	present on the non-blocking file descriptor.
+ */
+/* RD_NODATA:
+ *	This symbol holds the return code from read() when no data is present
+ *	on the non-blocking file descriptor. Be careful! If EOF_NONBLOCK is
+ *	not defined, then you can't distinguish between no data and EOF by
+ *	issuing a read(). You'll have to find another way to tell for sure!
+ */
+/* EOF_NONBLOCK:
+ *	This symbol, if defined, indicates to the C program that a read() on
+ *	a non-blocking file descriptor will return 0 on EOF, and not the value
+ *	held in RD_NODATA (-1 usually, in that case!).
+ */
+#define VAL_O_NONBLOCK $o_nonblock
+#define VAL_EAGAIN $eagain
+#define RD_NODATA $rd_nodata
+#$d_eofnblk EOF_NONBLOCK
+
+/* Netdb_host_t:
+ *	This symbol holds the type used for the 1st argument
+ *	to gethostbyaddr().
+ */
+/* Netdb_hlen_t:
+ *	This symbol holds the type used for the 2nd argument
+ *	to gethostbyaddr().
+ */
+/* Netdb_name_t:
+ *	This symbol holds the type used for the argument to
+ *	gethostbyname().
+ */
+/* Netdb_net_t:
+ *	This symbol holds the type used for the 1st argument to
+ *	getnetbyaddr().
+ */
+#define Netdb_host_t		$netdb_host_type /**/
+#define Netdb_hlen_t		$netdb_hlen_type /**/
+#define Netdb_name_t		$netdb_name_type /**/
+#define Netdb_net_t		$netdb_net_type /**/
+
+/* PERL_OTHERLIBDIRS:
+ *	This variable contains a colon-separated set of paths for the perl
+ *	binary to search for additional library files or modules.
+ *	These directories will be tacked to the end of @INC.
+ *	Perl will automatically search below each path for version-
+ *	and architecture-specific directories.  See PERL_INC_VERSION_LIST
+ *	for more details.
+ */
+#$d_perl_otherlibdirs PERL_OTHERLIBDIRS "$otherlibdirs"		/**/
+
+/* Pid_t:
+ *	This symbol holds the type used to declare process ids in the kernel.
+ *	It can be int, uint, pid_t, etc... It may be necessary to include
+ *	<sys/types.h> to get any typedef'ed information.
+ */
+#define Pid_t $pidtype		/* PID type */
+
+/* PRIVLIB:
+ *	This symbol contains the name of the private library for this package.
+ *	The library is private in the sense that it needn't be in anyone's
+ *	execution path, but it should be accessible by the world.  The program
+ *	should be prepared to do ~ expansion.
+ */
+/* PRIVLIB_EXP:
+ *	This symbol contains the ~name expanded version of PRIVLIB, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+#define PRIVLIB "$privlib"		/**/
+#define PRIVLIB_EXP "$privlibexp"		/**/
+
+/* CAN_PROTOTYPE:
+ *	If defined, this macro indicates that the C compiler can handle
+ *	function prototypes.
+ */
+/* _:
+ *	This macro is used to declare function parameters for folks who want
+ *	to make declarations with prototypes using a different style than
+ *	the above macros.  Use double parentheses.  For example:
+ *
+ *		int main _((int argc, char *argv[]));
+ */
+#$prototype	CAN_PROTOTYPE	/**/
+#ifdef CAN_PROTOTYPE
+#define	_(args) args
+#else
+#define	_(args) ()
+#endif
+
+/* PTRSIZE:
+ *	This symbol contains the size of a pointer, so that the C preprocessor
+ *	can make decisions based on it.  It will be sizeof(void *) if
+ *	the compiler supports (void *); otherwise it will be
+ *	sizeof(char *).
+ */
+#define PTRSIZE $ptrsize		/**/
+
+/* HAS_QUAD:
+ *	This symbol, if defined, tells that there's a 64-bit integer type,
+ *	Quad_t, and its unsigned counterpart, Uquad_t. QUADKIND will be one
+ *	of QUAD_IS_INT, QUAD_IS_LONG, QUAD_IS_LONG_LONG, QUAD_IS_INT64_T,
+ *	or QUAD_IS___INT64.
+ */
+#$d_quad HAS_QUAD	/**/
+#ifdef HAS_QUAD
+#   define Quad_t $quadtype	/**/
+#   define Uquad_t $uquadtype	/**/
+#   define QUADKIND $quadkind	/**/
+#   define QUAD_IS_INT	1
+#   define QUAD_IS_LONG	2
+#   define QUAD_IS_LONG_LONG	3
+#   define QUAD_IS_INT64_T	4
+#   define QUAD_IS___INT64	5
+#endif
+
+/* Drand01:
+ *	This macro is to be used to generate uniformly distributed
+ *	random numbers over the range [0., 1.[.  You may have to supply
+ *	an 'extern double drand48();' in your program since SunOS 4.1.3
+ *	doesn't provide you with anything relevant in its headers.
+ *	See HAS_DRAND48_PROTO.
+ */
+/* Rand_seed_t:
+ *	This symbol defines the type of the argument of the
+ *	random seed function.
+ */
+/* seedDrand01:
+ *	This symbol defines the macro to be used in seeding the
+ *	random number generator (see Drand01).
+ */
+/* RANDBITS:
+ *	This symbol indicates how many bits are produced by the
+ *	function used to generate normalized random numbers.
+ *	Values include 15, 16, 31, and 48.
+ */
+#define Drand01()		$drand01		/**/
+#define Rand_seed_t		$randseedtype		/**/
+#define seedDrand01(x)	$seedfunc((Rand_seed_t)x)	/**/
+#define RANDBITS		$randbits		/**/
+
+/* Select_fd_set_t:
+ *	This symbol holds the type used for the 2nd, 3rd, and 4th
+ *	arguments to select.  Usually, this is 'fd_set *', if HAS_FD_SET
+ *	is defined, and 'int *' otherwise.  This is only useful if you
+ *	have select(), of course.
+ */
+#define Select_fd_set_t 	$selecttype	/**/
+
+/* SH_PATH:
+ *	This symbol contains the full pathname to the shell used on this
+ *	on this system to execute Bourne shell scripts.  Usually, this will be
+ *	/bin/sh, though it's possible that some systems will have /bin/ksh,
+ *	/bin/pdksh, /bin/ash, /bin/bash, or even something such as
+ *	D:/bin/sh.exe.
+ */
+#define SH_PATH "$targetsh"  /**/
+
+/* SIG_NAME:
+ *	This symbol contains a list of signal names in order of
+ *	signal number. This is intended
+ *	to be used as a static array initialization, like this:
+ *		char *sig_name[] = { SIG_NAME };
+ *	The signals in the list are separated with commas, and each signal
+ *	is surrounded by double quotes. There is no leading SIG in the signal
+ *	name, i.e. SIGQUIT is known as "QUIT".
+ *	Gaps in the signal numbers (up to NSIG) are filled in with NUMnn,
+ *	etc., where nn is the actual signal number (e.g. NUM37).
+ *	The signal number for sig_name[i] is stored in sig_num[i].
+ *	The last element is 0 to terminate the list with a NULL.  This
+ *	corresponds to the 0 at the end of the sig_name_init list.
+ *	Note that this variable is initialized from the sig_name_init,
+ *	not from sig_name (which is unused).
+ */
+/* SIG_NUM:
+ *	This symbol contains a list of signal numbers, in the same order as the
+ *	SIG_NAME list. It is suitable for static array initialization, as in:
+ *		int sig_num[] = { SIG_NUM };
+ *	The signals in the list are separated with commas, and the indices
+ *	within that list and the SIG_NAME list match, so it's easy to compute
+ *	the signal name from a number or vice versa at the price of a small
+ *	dynamic linear lookup.
+ *	Duplicates are allowed, but are moved to the end of the list.
+ *	The signal number corresponding to sig_name[i] is sig_number[i].
+ *	if (i < NSIG) then sig_number[i] == i.
+ *	The last element is 0, corresponding to the 0 at the end of
+ *	the sig_name_init list.
+ *	Note that this variable is initialized from the sig_num_init,
+ *	not from sig_num (which is unused).
+ */
+/* SIG_SIZE:
+ *	This variable contains the number of elements of the SIG_NAME
+ *	and SIG_NUM arrays, excluding the final NULL entry.
+ */
+#define SIG_NAME $sig_name_init		/**/
+#define SIG_NUM  $sig_num_init		/**/
+#define SIG_SIZE $sig_size			/**/
+
+/* SITEARCH:
+ *	This symbol contains the name of the private library for this package.
+ *	The library is private in the sense that it needn't be in anyone's
+ *	execution path, but it should be accessible by the world.  The program
+ *	should be prepared to do ~ expansion.
+ *	The standard distribution will put nothing in this directory.
+ *	After perl has been installed, users may install their own local
+ *	architecture-dependent modules in this directory with
+ *		MakeMaker Makefile.PL
+ *	or equivalent.  See INSTALL for details.
+ */
+/* SITEARCH_EXP:
+ *	This symbol contains the ~name expanded version of SITEARCH, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+#$d_sitearch SITEARCH "$sitearch"		/**/
+#$d_sitearch SITEARCH_EXP "$sitearchexp"		/**/
+
+/* SITELIB:
+ *	This symbol contains the name of the private library for this package.
+ *	The library is private in the sense that it needn't be in anyone's
+ *	execution path, but it should be accessible by the world.  The program
+ *	should be prepared to do ~ expansion.
+ *	The standard distribution will put nothing in this directory.
+ *	After perl has been installed, users may install their own local
+ *	architecture-independent modules in this directory with
+ *		MakeMaker Makefile.PL
+ *	or equivalent.  See INSTALL for details.
+ */
+/* SITELIB_EXP:
+ *	This symbol contains the ~name expanded version of SITELIB, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+/* SITELIB_STEM:
+ *	This define is SITELIB_EXP with any trailing version-specific component
+ *	removed.  The elements in inc_version_list (inc_version_list.U) can
+ *	be tacked onto this variable to generate a list of directories to search.
+ */
+#define SITELIB "$sitelib"		/**/
+#define SITELIB_EXP "$sitelibexp"		/**/
+#define SITELIB_STEM "$sitelib_stem"		/**/
+
+/* Size_t_size:
+ *	This symbol holds the size of a Size_t in bytes.
+ */
+#define Size_t_size $sizesize		/**/
+
+/* Size_t:
+ *	This symbol holds the type used to declare length parameters
+ *	for string functions.  It is usually size_t, but may be
+ *	unsigned long, int, etc.  It may be necessary to include
+ *	<sys/types.h> to get any typedef'ed information.
+ */
+#define Size_t $sizetype	 /* length parameter for string functions */
+
+/* Sock_size_t:
+ *	This symbol holds the type used for the size argument of
+ *	various socket calls (just the base type, not the pointer-to).
+ */
+#define Sock_size_t		$socksizetype /**/
+
+/* SSize_t:
+ *	This symbol holds the type used by functions that return
+ *	a count of bytes or an error condition.  It must be a signed type.
+ *	It is usually ssize_t, but may be long or int, etc.
+ *	It may be necessary to include <sys/types.h> or <unistd.h>
+ *	to get any typedef'ed information.
+ *	We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
+ */
+#define SSize_t $ssizetype	 /* signed count of bytes */
+
+/* STDCHAR:
+ *	This symbol is defined to be the type of char used in stdio.h.
+ *	It has the values "unsigned char" or "char".
+ */
+#define STDCHAR $stdchar	/**/
+
+/* Uid_t_f:
+ *	This symbol defines the format string used for printing a Uid_t.
+ */
+#define	Uid_t_f		$uidformat		/**/
+
+/* Uid_t_sign:
+ *	This symbol holds the signedness of a Uid_t.
+ *	1 for unsigned, -1 for signed.
+ */
+#define Uid_t_sign	$uidsign		/* UID sign */
+
+/* Uid_t_size:
+ *	This symbol holds the size of a Uid_t in bytes.
+ */
+#define Uid_t_size $uidsize		/* UID size */
+
+/* Uid_t:
+ *	This symbol holds the type used to declare user ids in the kernel.
+ *	It can be int, ushort, uid_t, etc... It may be necessary to include
+ *	<sys/types.h> to get any typedef'ed information.
+ */
+#define Uid_t $uidtype		/* UID type */
+
+/* USE_ITHREADS:
+ *	This symbol, if defined, indicates that Perl should be built to
+ *	use the interpreter-based threading implementation.
+ */
+/* USE_5005THREADS:
+ *	This symbol, if defined, indicates that Perl should be built to
+ *	use the 5.005-based threading implementation.
+ *	Only valid up to 5.8.x.
+ */
+/* OLD_PTHREADS_API:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built to use the old draft POSIX threads API.
+ */
+/* USE_REENTRANT_API:
+ *	This symbol, if defined, indicates that Perl should
+ *	try to use the various _r versions of library functions.
+ *	This is extremely experimental.
+ */
+#$use5005threads	USE_5005THREADS		/**/
+#$useithreads	USE_ITHREADS		/**/
+#if defined(USE_5005THREADS) && !defined(USE_ITHREADS)
+#define		USE_THREADS		/* until src is revised*/
+#endif
+#$d_oldpthreads	OLD_PTHREADS_API		/**/
+#$usereentrant	USE_REENTRANT_API	/**/
+
+/* PERL_VENDORARCH:
+ *	If defined, this symbol contains the name of a private library.
+ *	The library is private in the sense that it needn't be in anyone's
+ *	execution path, but it should be accessible by the world.
+ *	It may have a ~ on the front.
+ *	The standard distribution will put nothing in this directory.
+ *	Vendors who distribute perl may wish to place their own
+ *	architecture-dependent modules and extensions in this directory with
+ *		MakeMaker Makefile.PL INSTALLDIRS=vendor
+ *	or equivalent.  See INSTALL for details.
+ */
+/* PERL_VENDORARCH_EXP:
+ *	This symbol contains the ~name expanded version of PERL_VENDORARCH, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+#$d_vendorarch PERL_VENDORARCH "$vendorarch"		/**/
+#$d_vendorarch PERL_VENDORARCH_EXP "$vendorarchexp"		/**/
+
+/* PERL_VENDORLIB_EXP:
+ *	This symbol contains the ~name expanded version of VENDORLIB, to be used
+ *	in programs that are not prepared to deal with ~ expansion at run-time.
+ */
+/* PERL_VENDORLIB_STEM:
+ *	This define is PERL_VENDORLIB_EXP with any trailing version-specific component
+ *	removed.  The elements in inc_version_list (inc_version_list.U) can
+ *	be tacked onto this variable to generate a list of directories to search.
+ */
+#$d_vendorlib PERL_VENDORLIB_EXP "$vendorlibexp"		/**/
+#$d_vendorlib PERL_VENDORLIB_STEM "$vendorlib_stem"		/**/
+
+/* USE_CROSS_COMPILE:
+ *	This symbol, if defined, indicates that Perl is being cross-compiled.
+ */
+/* PERL_TARGETARCH:
+ *	This symbol, if defined, indicates the target architecture
+ *	Perl has been cross-compiled to.  Undefined if not a cross-compile.
+ */
+#ifndef USE_CROSS_COMPILE
+#$usecrosscompile	USE_CROSS_COMPILE	/**/
+#define	PERL_TARGETARCH	"$targetarch"	/**/
+#endif
+
+/* PERL_USE_DEVEL:
+ *	This symbol, if defined, indicates that Perl was configured with
+ *	-Dusedevel, to enable development features.  This should not be
+ *	done for production builds.
+ */
+#$usedevel	PERL_USE_DEVEL		/**/
+
+/* HAS_ATOLF:
+ *	This symbol, if defined, indicates that the atolf routine is
+ *	available to convert strings into long doubles.
+ */
+#$d_atolf HAS_ATOLF		/**/
+
+/* HAS_ATOLL:
+ *	This symbol, if defined, indicates that the atoll routine is
+ *	available to convert strings into long longs.
+ */
+#$d_atoll HAS_ATOLL		/**/
+
+/* HAS__FWALK:
+ *	This symbol, if defined, indicates that the _fwalk system call is
+ *	available to apply a function to all the file handles.
+ */
+#$d__fwalk HAS__FWALK		/**/
+
+/* HAS_ACOSH:
+ *	This symbol, if defined, indicates that the acosh routine is
+ *	available to do the inverse hyperbolic cosine function.
+ */
+#$d_acosh HAS_ACOSH		/**/
+
+/* HAS_AINTL:
+ *	This symbol, if defined, indicates that the aintl routine is
+ *	available.  If copysignl is also present we can emulate modfl.
+ */
+#$d_aintl HAS_AINTL		/**/
+
+/* HAS_ASINH:
+ *	This symbol, if defined, indicates that the asinh routine is
+ *	available to do the inverse hyperbolic sine function.
+ */
+#$d_asinh HAS_ASINH		/**/
+
+/* HAS_ATANH:
+ *	This symbol, if defined, indicates that the atanh routine is
+ *	available to do the inverse hyperbolic tangent function.
+ */
+#$d_atanh HAS_ATANH		/**/
+
+/* HAS_BUILTIN_CHOOSE_EXPR:
+ *	Can we handle GCC builtin for compile-time ternary-like expressions
+ */
+/* HAS_BUILTIN_EXPECT:
+ *	Can we handle GCC builtin for telling that certain values are more
+ *	likely
+ */
+#$d_builtin_expect HAS_BUILTIN_EXPECT	/**/
+#$d_builtin_choose_expr HAS_BUILTIN_CHOOSE_EXPR	/**/
+
+/* HAS_C99_VARIADIC_MACROS:
+ *	If defined, the compiler supports C99 variadic macros.
+ */
+#$d_c99_variadic_macros	HAS_C99_VARIADIC_MACROS	/**/
+
+/* HAS_CLASS:
+ *	This symbol, if defined, indicates that the class routine is
+ *	available to classify doubles.  Available for example in AIX.
+ *	The returned values are defined in <float.h> and are:
+ *
+ *	FP_PLUS_NORM	Positive normalized, nonzero
+ *	FP_MINUS_NORM	Negative normalized, nonzero
+ *	FP_PLUS_DENORM	Positive denormalized, nonzero
+ *	FP_MINUS_DENORM	Negative denormalized, nonzero
+ *	FP_PLUS_ZERO	+0.0
+ *	FP_MINUS_ZERO	-0.0
+ *	FP_PLUS_INF	+INF
+ *	FP_MINUS_INF	-INF
+ *	FP_NANS		Signaling Not a Number (NaNS)
+ *	FP_NANQ		Quiet Not a Number (NaNQ)
+ */
+#$d_class HAS_CLASS		/**/
+
+/* HAS_CLEARENV:
+ *	This symbol, if defined, indicates that the clearenv () routine is
+ *	available for use.
+ */
+#$d_clearenv HAS_CLEARENV		/**/
+
+/* HAS_STRUCT_CMSGHDR:
+ *	This symbol, if defined, indicates that the struct cmsghdr
+ *	is supported.
+ */
+#$d_cmsghdr_s HAS_STRUCT_CMSGHDR	/**/
+
+/* HAS_COPYSIGN:
+ *	This symbol, if defined, indicates that the copysign routine is
+ *	available to do the copysign function.
+ */
+#$d_copysign HAS_COPYSIGN		/**/
+
+/* HAS_COPYSIGNL:
+ *	This symbol, if defined, indicates that the copysignl routine is
+ *	available.  If aintl is also present we can emulate modfl.
+ */
+#$d_copysignl HAS_COPYSIGNL		/**/
+
+/* USE_CPLUSPLUS:
+ *	This symbol, if defined, indicates that a C++ compiler was
+ *	used to compiled Perl and will be used to compile extensions.
+ */
+#$d_cplusplus USE_CPLUSPLUS		/**/
+
+/* HAS_DBMINIT_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the dbminit() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern int dbminit(char *);
+ */
+#$d_dbminitproto	HAS_DBMINIT_PROTO	/**/
+
+/* HAS_DIR_DD_FD:
+ *	This symbol, if defined, indicates that the the DIR* dirstream
+ *	structure contains a member variable named dd_fd.
+ */
+#$d_dir_dd_fd HAS_DIR_DD_FD		/**/
+
+/* HAS_DIRFD:
+ *	This manifest constant lets the C program know that dirfd
+ *	is available.
+ */
+#$d_dirfd HAS_DIRFD		/**/
+
+/* DLSYM_NEEDS_UNDERSCORE:
+ *	This symbol, if defined, indicates that we need to prepend an
+ *	underscore to the symbol name before calling dlsym().  This only
+ *	makes sense if you *have* dlsym, which we will presume is the
+ *	case if you're using dl_dlopen.xs.
+ */
+#$d_dlsymun 	DLSYM_NEEDS_UNDERSCORE 	/**/
+
+/* HAS_ERF:
+ *	This symbol, if defined, indicates that the erf routine is
+ *	available to do the error function.
+ */
+#$d_erf HAS_ERF		/**/
+
+/* HAS_ERFC:
+ *	This symbol, if defined, indicates that the erfc routine is
+ *	available to do the complementary error function.
+ */
+#$d_erfc HAS_ERFC		/**/
+
+/* HAS_EXP2:
+ *	This symbol, if defined, indicates that the exp2 routine is
+ *	available to do the 2**x function.
+ */
+#$d_exp2 HAS_EXP2		/**/
+
+/* HAS_EXPM1:
+ *	This symbol, if defined, indicates that the expm1 routine is
+ *	available to do the exp(x) - 1 when x is near 1 function.
+ */
+#$d_expm1 HAS_EXPM1		/**/
+
+/* HAS_FAST_STDIO:
+ *	This symbol, if defined, indicates that the "fast stdio"
+ *	is available to manipulate the stdio buffers directly.
+ */
+#$d_faststdio HAS_FAST_STDIO		/**/
+
+/* HAS_FCHDIR:
+ *	This symbol, if defined, indicates that the fchdir routine is
+ *	available to change directory using a file descriptor.
+ */
+#$d_fchdir HAS_FCHDIR		/**/
+
+/* FCNTL_CAN_LOCK:
+ *	This symbol, if defined, indicates that fcntl() can be used
+ *	for file locking.  Normally on Unix systems this is defined.
+ *	It may be undefined on VMS.
+ */
+#$d_fcntl_can_lock FCNTL_CAN_LOCK		/**/
+
+/* HAS_FDIM:
+ *	This symbol, if defined, indicates that the fdim routine is
+ *	available to do the positive difference function.
+ */
+#$d_fdim HAS_FDIM		/**/
+
+/* HAS_FEGETROUND:
+ *	This symbol, if defined, indicates that the fegetround routine is
+ *	available to return the macro corresponding to the current rounding
+ *	mode.
+ */
+#$d_fegetround HAS_FEGETROUND	/**/
+
+/* HAS_FINITE:
+ *	This symbol, if defined, indicates that the finite routine is
+ *	available to check whether a double is finite (non-infinity non-NaN).
+ */
+#$d_finite HAS_FINITE		/**/
+
+/* HAS_FINITEL:
+ *	This symbol, if defined, indicates that the finitel routine is
+ *	available to check whether a long double is finite
+ *	(non-infinity non-NaN).
+ */
+#$d_finitel HAS_FINITEL		/**/
+
+/* HAS_FLOCK_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the flock() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern int flock(int, int);
+ */
+#$d_flockproto	HAS_FLOCK_PROTO	/**/
+
+/* HAS_FMA:
+ *	This symbol, if defined, indicates that the fma routine is
+ *	available to do the multiply-add function.
+ */
+#$d_fma HAS_FMA		/**/
+
+/* HAS_FMAX:
+ *	This symbol, if defined, indicates that the fmax routine is
+ *	available to do the maximum function.
+ */
+#$d_fmax HAS_FMAX		/**/
+
+/* HAS_FMIN:
+ *	This symbol, if defined, indicates that the fmin routine is
+ *	available to do the minimum function.
+ */
+#$d_fmin HAS_FMIN		/**/
+
+/* HAS_FP_CLASS:
+ *	This symbol, if defined, indicates that the fp_class routine is
+ *	available to classify doubles.  Available for example in Digital UNIX.
+ *	The returned values are defined in <math.h> and are:
+ *
+ *	FP_SNAN           Signaling NaN (Not-a-Number)
+ *	FP_QNAN           Quiet NaN (Not-a-Number)
+ *	FP_POS_INF        +infinity
+ *	FP_NEG_INF        -infinity
+ *	FP_POS_NORM       Positive normalized
+ *	FP_NEG_NORM       Negative normalized
+ *	FP_POS_DENORM     Positive denormalized
+ *	FP_NEG_DENORM     Negative denormalized
+ *	FP_POS_ZERO       +0.0 (positive zero)
+ *	FP_NEG_ZERO       -0.0 (negative zero)
+ */
+#$d_fp_class HAS_FP_CLASS		/**/
+
+/* HAS_FP_CLASSL:
+ *	This symbol, if defined, indicates that the fp_classl routine is
+ *	available to classify long doubles.  Available for example in
+ *	Digital UNIX.  See for possible values HAS_FP_CLASS.
+ */
+#$d_fp_classl HAS_FP_CLASSL		/**/
+
+/* HAS_FPCLASS:
+ *	This symbol, if defined, indicates that the fpclass routine is
+ *	available to classify doubles.  Available for example in Solaris/SVR4.
+ *	The returned values are defined in <ieeefp.h> and are:
+ *
+ *	FP_SNAN		signaling NaN
+ *	FP_QNAN		quiet NaN
+ *	FP_NINF		negative infinity
+ *	FP_PINF		positive infinity
+ *	FP_NDENORM	negative denormalized non-zero
+ *	FP_PDENORM	positive denormalized non-zero
+ *	FP_NZERO	negative zero
+ *	FP_PZERO	positive zero
+ *	FP_NNORM	negative normalized non-zero
+ *	FP_PNORM	positive normalized non-zero
+ */
+#$d_fpclass HAS_FPCLASS		/**/
+
+/* HAS_FPCLASSIFY:
+ *	This symbol, if defined, indicates that the fpclassify routine is
+ *	available to classify doubles.  Available for example in HP-UX.
+ *	The returned values are defined in <math.h> and are
+ *
+ *           FP_NORMAL     Normalized
+ *           FP_ZERO       Zero
+ *           FP_INFINITE   Infinity
+ *           FP_SUBNORMAL  Denormalized
+ *           FP_NAN        NaN
+ *
+ */
+/* HAS_FP_CLASSIFY:
+ *	This symbol, if defined, indicates that the fp_classify routine is
+ *	available to classify doubles. The values are defined in <math.h>
+ *
+ *           FP_NORMAL     Normalized
+ *           FP_ZERO       Zero
+ *           FP_INFINITE   Infinity
+ *           FP_SUBNORMAL  Denormalized
+ *           FP_NAN        NaN
+ *
+ */
+#$d_fpclassify	HAS_FPCLASSIFY		/**/
+#$d_fp_classify	HAS_FP_CLASSIFY		/**/
+
+/* HAS_FPCLASSL:
+ *	This symbol, if defined, indicates that the fpclassl routine is
+ *	available to classify long doubles.  Available for example in IRIX.
+ *	The returned values are defined in <ieeefp.h> and are:
+ *
+ *	FP_SNAN		signaling NaN
+ *	FP_QNAN		quiet NaN
+ *	FP_NINF		negative infinity
+ *	FP_PINF		positive infinity
+ *	FP_NDENORM	negative denormalized non-zero
+ *	FP_PDENORM	positive denormalized non-zero
+ *	FP_NZERO	negative zero
+ *	FP_PZERO	positive zero
+ *	FP_NNORM	negative normalized non-zero
+ *	FP_PNORM	positive normalized non-zero
+ */
+#$d_fpclassl HAS_FPCLASSL		/**/
+
+/* HAS_FPGETROUND:
+ *	This symbol, if defined, indicates that the fpgetround routine is
+ *	available to get the floating point rounding mode.
+ */
+#$d_fpgetround HAS_FPGETROUND		/**/
+
+/* HAS_FPOS64_T:
+ *	This symbol will be defined if the C compiler supports fpos64_t.
+ */
+#$d_fpos64_t	HAS_FPOS64_T    	/**/
+
+/* HAS_FREXPL:
+ *	This symbol, if defined, indicates that the frexpl routine is
+ *	available to break a long double floating-point number into
+ *	a normalized fraction and an integral power of 2.
+ */
+#$d_frexpl HAS_FREXPL		/**/
+
+/* HAS_STRUCT_FS_DATA:
+ *	This symbol, if defined, indicates that the struct fs_data
+ *	to do statfs() is supported.
+ */
+#$d_fs_data_s HAS_STRUCT_FS_DATA	/**/
+
+/* HAS_FSEEKO:
+ *	This symbol, if defined, indicates that the fseeko routine is
+ *	available to fseek beyond 32 bits (useful for ILP32 hosts).
+ */
+#$d_fseeko HAS_FSEEKO		/**/
+
+/* HAS_FSTATFS:
+ *	This symbol, if defined, indicates that the fstatfs routine is
+ *	available to stat filesystems by file descriptors.
+ */
+#$d_fstatfs HAS_FSTATFS		/**/
+
+/* HAS_FSYNC:
+ *	This symbol, if defined, indicates that the fsync routine is
+ *	available to write a file's modified data and attributes to
+ *	permanent storage.
+ */
+#$d_fsync HAS_FSYNC		/**/
+
+/* HAS_FTELLO:
+ *	This symbol, if defined, indicates that the ftello routine is
+ *	available to ftell beyond 32 bits (useful for ILP32 hosts).
+ */
+#$d_ftello HAS_FTELLO		/**/
+
+/* HAS_FUTIMES:
+ *	This symbol, if defined, indicates that the futimes routine is
+ *	available to change file descriptor time stamps with struct timevals.
+ */
+#$d_futimes HAS_FUTIMES		/**/
+
+/* HAS_GETADDRINFO:
+ *	This symbol, if defined, indicates that the getaddrinfo() function
+ *	is available for use.
+ */
+#$d_getaddrinfo HAS_GETADDRINFO		/**/
+
+/* HAS_GETCWD:
+ *	This symbol, if defined, indicates that the getcwd routine is
+ *	available to get the current working directory.
+ */
+#$d_getcwd HAS_GETCWD		/**/
+
+/* HAS_GETESPWNAM:
+ *	This symbol, if defined, indicates that the getespwnam system call is
+ *	available to retrieve enhanced (shadow) password entries by name.
+ */
+#$d_getespwnam HAS_GETESPWNAM		/**/
+
+/* HAS_GETFSSTAT:
+ *	This symbol, if defined, indicates that the getfsstat routine is
+ *	available to stat filesystems in bulk.
+ */
+#$d_getfsstat HAS_GETFSSTAT		/**/
+
+/* HAS_GETITIMER:
+ *	This symbol, if defined, indicates that the getitimer routine is
+ *	available to return interval timers.
+ */
+#$d_getitimer HAS_GETITIMER		/**/
+
+/* HAS_GETMNT:
+ *	This symbol, if defined, indicates that the getmnt routine is
+ *	available to get filesystem mount info by filename.
+ */
+#$d_getmnt HAS_GETMNT		/**/
+
+/* HAS_GETMNTENT:
+ *	This symbol, if defined, indicates that the getmntent routine is
+ *	available to iterate through mounted file systems to get their info.
+ */
+#$d_getmntent HAS_GETMNTENT		/**/
+
+/* HAS_GETNAMEINFO:
+ *	This symbol, if defined, indicates that the getnameinfo() function
+ *	is available for use.
+ */
+#$d_getnameinfo HAS_GETNAMEINFO		/**/
+
+/* HAS_GETPRPWNAM:
+ *	This symbol, if defined, indicates that the getprpwnam system call is
+ *	available to retrieve protected (shadow) password entries by name.
+ */
+#$d_getprpwnam HAS_GETPRPWNAM		/**/
+
+/* HAS_GETSPNAM:
+ *	This symbol, if defined, indicates that the getspnam system call is
+ *	available to retrieve SysV shadow password entries by name.
+ */
+#$d_getspnam HAS_GETSPNAM		/**/
+
+/* HAS_HASMNTOPT:
+ *	This symbol, if defined, indicates that the hasmntopt routine is
+ *	available to query the mount options of file systems.
+ */
+#$d_hasmntopt HAS_HASMNTOPT		/**/
+
+/* HAS_HYPOT:
+ *	This symbol, if defined, indicates that the hypot routine is
+ *	available to do the hypotenuse function.
+ */
+#$d_hypot HAS_HYPOT		/**/
+
+/* HAS_ILOGB:
+ *	This symbol, if defined, indicates that the ilogb routine is
+ *	available to get integer exponent of a floating-point value.
+ */
+#$d_ilogb HAS_ILOGB		/**/
+
+/* HAS_ILOGBL:
+ *	This symbol, if defined, indicates that the ilogbl routine is
+ *	available.  If scalbnl is also present we can emulate frexpl.
+ */
+#$d_ilogbl HAS_ILOGBL		/**/
+
+/* HAS_INETNTOP:
+ *	This symbol, if defined, indicates that the inet_ntop() function
+ *	is available to parse IPv4 and IPv6 strings.
+ */
+#$d_inetntop HAS_INETNTOP		/**/
+
+/* HAS_INETPTON:
+ *	This symbol, if defined, indicates that the inet_pton() function
+ *	is available to parse IPv4 and IPv6 strings.
+ */
+#$d_inetpton HAS_INETPTON		/**/
+
+/* HAS_INT64_T:
+ *     This symbol will defined if the C compiler supports int64_t.
+ *     Usually the <inttypes.h> needs to be included, but sometimes
+ *	<sys/types.h> is enough.
+ */
+#$d_int64_t     HAS_INT64_T               /**/
+
+/* HAS_ISBLANK:
+ *	This manifest constant lets the C program know that isblank
+ *	is available.
+ */
+#$d_isblank HAS_ISBLANK		/**/
+
+/* HAS_ISFINITE:
+ *	This symbol, if defined, indicates that the isfinite routine is
+ *	available to check whether a double is finite (non-infinity non-NaN).
+ */
+#$d_isfinite HAS_ISFINITE		/**/
+
+/* HAS_ISFINITEL:
+ *	This symbol, if defined, indicates that the isfinitel routine is
+ *	available to check whether a long double is finite.
+ *	(non-infinity non-NaN).
+ */
+#$d_isfinitel HAS_ISFINITEL		/**/
+
+/* HAS_ISINF:
+ *	This symbol, if defined, indicates that the isinf routine is
+ *	available to check whether a double is an infinity.
+ */
+#$d_isinf HAS_ISINF		/**/
+
+/* HAS_ISINFL:
+ *	This symbol, if defined, indicates that the isinfl routine is
+ *	available to check whether a long double is an infinity.
+ */
+#$d_isinfl HAS_ISINFL		/**/
+
+/* HAS_ISLESS:
+ *	This symbol, if defined, indicates that the isless routine is
+ *	available to do the isless function.
+ */
+#$d_isless HAS_ISLESS		/**/
+
+/* HAS_ISNAN:
+ *	This symbol, if defined, indicates that the isnan routine is
+ *	available to check whether a double is a NaN.
+ */
+#$d_isnan HAS_ISNAN		/**/
+
+/* HAS_ISNANL:
+ *	This symbol, if defined, indicates that the isnanl routine is
+ *	available to check whether a long double is a NaN.
+ */
+#$d_isnanl HAS_ISNANL		/**/
+
+/* HAS_ISNORMAL:
+ *	This symbol, if defined, indicates that the isnormal routine is
+ *	available to check whether a double is normal (non-zero normalized).
+ */
+#$d_isnormal HAS_ISNORMAL		/**/
+
+/* HAS_J0:
+ *	This symbol, if defined, indicates to the C program that the
+ *	j0() function is available for Bessel functions of the first
+ *	kind of the order zero, for doubles.
+ */
+/* HAS_J0L:
+ *	This symbol, if defined, indicates to the C program that the
+ *	j0l() function is available for Bessel functions of the first
+ *	kind of the order zero, for long doubles.
+ */
+#$d_j0	HAS_J0		/**/
+#$d_j0l	HAS_J0L		/**/
+
+/* HAS_LC_MONETARY_2008:
+ *	This symbol, if defined, indicates that the localeconv routine is
+ *	available and has the additional members added in POSIX 1003.1-2008.
+ */
+#$d_lc_monetary_2008 HAS_LC_MONETARY_2008		/**/
+
+/* HAS_LDBL_DIG:
+ *	This symbol, if defined, indicates that this system's <float.h>
+ *	or <limits.h> defines the symbol LDBL_DIG, which is the number
+ *	of significant digits in a long double precision number. Unlike
+ *	for DBL_DIG, there's no good guess for LDBL_DIG if it is undefined.
+ */
+#$d_ldbl_dig HAS_LDBL_DIG 	/* */
+
+/* HAS_LGAMMA:
+ *	This symbol, if defined, indicates that the lgamma routine is
+ *	available to do the log gamma function.  See also HAS_TGAMMA and
+ *	HAS_LGAMMA_R.
+ */
+#$d_lgamma HAS_LGAMMA		/**/
+
+/* HAS_LGAMMA_R:
+ *	This symbol, if defined, indicates that the lgamma_r routine is
+ *	available to do the log gamma function without using the global
+ *	signgam variable.
+ */
+#$d_lgamma_r HAS_LGAMMA_R		/**/
+
+/* LIBM_LIB_VERSION:
+ *	This symbol, if defined, indicates that libm exports _LIB_VERSION
+ *	and that math.h defines the enum to manipulate it.
+ */
+#$d_libm_lib_version LIBM_LIB_VERSION		/**/
+
+/* HAS_LLRINT:
+ *	This symbol, if defined, indicates that the llrint routine is
+ *	available to return the closest long long value according to
+ *	the current rounding mode.
+ */
+#$d_llrint HAS_LLRINT		/**/
+
+/* HAS_LLRINTL:
+ *	This symbol, if defined, indicates that the llrintl routine is
+ *	available to return the closest long long value of the long double
+ *	argument according to the current rounding mode.
+ */
+#$d_llrintl HAS_LLRINTL		/**/
+
+/* HAS_LLROUND:
+ *	This symbol, if defined, indicates that the llround routine is
+ *	available to return the nearest long long value.
+ */
+#$d_llround HAS_LLROUND		/**/
+
+/* HAS_LLROUNDL:
+ *	This symbol, if defined, indicates that the llroundl routine is
+ *	available to return the nearest long long value away from zero of
+ *	the long double argument value.
+ */
+#$d_llroundl HAS_LLROUNDL		/**/
+
+/* HAS_LOG1P:
+ *	This symbol, if defined, indicates that the log1p routine is
+ *	available to do the logarithm of 1 plus argument function.
+ */
+#$d_log1p HAS_LOG1P		/**/
+
+/* HAS_LOG2:
+ *	This symbol, if defined, indicates that the log2 routine is
+ *	available to do the log2 function.
+ */
+#$d_log2 HAS_LOG2		/**/
+
+/* HAS_LOGB:
+ *	This symbol, if defined, indicates that the logb routine is
+ *	available to do the logb function.
+ */
+#$d_logb HAS_LOGB		/**/
+
+/* HAS_LRINT:
+ *	This symbol, if defined, indicates that the lrint routine is
+ *	available to return the closest integral value according to
+ *	the current rounding mode.
+ */
+#$d_lrint HAS_LRINT		/**/
+
+/* HAS_LRINTL:
+ *	This symbol, if defined, indicates that the lrintl routine is
+ *	available to return the closest integral value of the long double
+ *	argument according to the current rounding mode.
+ */
+#$d_lrintl HAS_LRINTL		/**/
+
+/* HAS_LROUND:
+ *	This symbol, if defined, indicates that the lround routine is
+ *	available to return the nearest integral value.
+ */
+#$d_lround HAS_LROUND		/**/
+
+/* HAS_LROUNDL:
+ *	This symbol, if defined, indicates that the lroundl routine is
+ *	available to return the nearest integral value away from zero of
+ *	the long double argument value.
+ */
+#$d_lroundl HAS_LROUNDL		/**/
+
+/* HAS_MADVISE:
+ *	This symbol, if defined, indicates that the madvise system call is
+ *	available to map a file into memory.
+ */
+#$d_madvise HAS_MADVISE		/**/
+
+/* HAS_MALLOC_SIZE:
+ *	This symbol, if defined, indicates that the malloc_size
+ *	routine is available for use.
+ */
+#$d_malloc_size HAS_MALLOC_SIZE		/**/
+
+/* HAS_MALLOC_GOOD_SIZE:
+ *	This symbol, if defined, indicates that the malloc_good_size
+ *	routine is available for use.
+ */
+#$d_malloc_good_size HAS_MALLOC_GOOD_SIZE	/**/
+
+/* HAS_MKDTEMP:
+ *	This symbol, if defined, indicates that the mkdtemp routine is
+ *	available to exclusively create a uniquely named temporary directory.
+ */
+#$d_mkdtemp HAS_MKDTEMP		/**/
+
+/* HAS_MKSTEMPS:
+ *	This symbol, if defined, indicates that the mkstemps routine is
+ *	available to exclusively create and open a uniquely named
+ *	(with a suffix) temporary file.
+ */
+#$d_mkstemps HAS_MKSTEMPS		/**/
+
+/* HAS_MODFL:
+ *	This symbol, if defined, indicates that the modfl routine is
+ *	available to split a long double x into a fractional part f and
+ *	an integer part i such that |f| < 1.0 and (f + i) = x.
+ */
+/* HAS_MODFL_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the modfl() function.  Otherwise, it is up
+ *	to the program to supply one.
+ */
+/* HAS_MODFL_POW32_BUG:
+ *	This symbol, if defined, indicates that the modfl routine is
+ *	broken for long doubles >= pow(2, 32).
+ *	For example from 4294967303.150000 one would get 4294967302.000000
+ *	and 1.150000.  The bug has been seen in certain versions of glibc,
+ *	release 2.2.2 is known to be okay.
+ */
+#$d_modfl HAS_MODFL		/**/
+#$d_modflproto HAS_MODFL_PROTO		/**/
+#$d_modfl_pow32_bug HAS_MODFL_POW32_BUG		/**/
+
+/* HAS_MPROTECT:
+ *	This symbol, if defined, indicates that the mprotect system call is
+ *	available to modify the access protection of a memory mapped file.
+ */
+#$d_mprotect HAS_MPROTECT		/**/
+
+/* HAS_STRUCT_MSGHDR:
+ *	This symbol, if defined, indicates that the struct msghdr
+ *	is supported.
+ */
+#$d_msghdr_s HAS_STRUCT_MSGHDR	/**/
+
+/* HAS_NAN:
+ *	This symbol, if defined, indicates that the nan routine is
+ *	available to generate NaN.
+ */
+#$d_nan HAS_NAN		/**/
+
+/* HAS_NEARBYINT:
+ *	This symbol, if defined, indicates that the nearbyint routine is
+ *	available to return the integral value closest to (according to
+ *	the current rounding mode) to x.
+ */
+#$d_nearbyint HAS_NEARBYINT		/**/
+
+/* HAS_NEXTAFTER:
+ *	This symbol, if defined, indicates that the nextafter routine is
+ *	available to return the next machine representable double from
+ *	x in direction y.
+ */
+#$d_nextafter HAS_NEXTAFTER		/**/
+
+/* HAS_NEXTTOWARD:
+ *	This symbol, if defined, indicates that the nexttoward routine is
+ *	available to return the next machine representable long double from
+ *	x in direction y.
+ */
+#$d_nexttoward HAS_NEXTTOWARD		/**/
+
+/* HAS_NL_LANGINFO:
+ *	This symbol, if defined, indicates that the nl_langinfo routine is
+ *	available to return local data.  You will also need <langinfo.h>
+ *	and therefore I_LANGINFO.
+ */
+#$d_nl_langinfo HAS_NL_LANGINFO		/**/
+
+/* HAS_OFF64_T:
+ *	This symbol will be defined if the C compiler supports off64_t.
+ */
+#$d_off64_t	HAS_OFF64_T    		/**/
+
+/* HAS_PRCTL:
+ *	This symbol, if defined, indicates that the prctl routine is
+ *	available to set process title.
+ *	Note that there are at least two prctl variants: Linux and Irix.
+ *	While they are somewhat similar, they are incompatible.
+ */
+/* HAS_PRCTL_SET_NAME:
+ *	This symbol, if defined, indicates that the prctl routine is
+ *	available to set process title and supports PR_SET_NAME.
+ */
+#$d_prctl HAS_PRCTL		/**/
+#$d_prctl_set_name HAS_PRCTL_SET_NAME		/**/
+
+/* HAS_PROCSELFEXE:
+ *	This symbol is defined if PROCSELFEXE_PATH is a symlink
+ *	to the absolute pathname of the executing program.
+ */
+/* PROCSELFEXE_PATH:
+ *	If HAS_PROCSELFEXE is defined this symbol is the filename
+ *	of the symbolic link pointing to the absolute pathname of
+ *	the executing program.
+ */
+#$d_procselfexe HAS_PROCSELFEXE	/**/
+#if defined(HAS_PROCSELFEXE) && !defined(PROCSELFEXE_PATH)
+#define PROCSELFEXE_PATH	$procselfexe	/**/
+#endif
+
+/* HAS_PTHREAD_ATTR_SETSCOPE:
+ *	This symbol, if defined, indicates that the pthread_attr_setscope
+ *	system call is available to set the contention scope attribute of
+ *	a thread attribute object.
+ */
+#$d_pthread_attr_setscope HAS_PTHREAD_ATTR_SETSCOPE		/**/
+
+/* HAS_PTRDIFF_T:
+ *	This symbol will be defined if the C compiler supports ptrdiff_t.
+ */
+#$d_ptrdiff_t	HAS_PTRDIFF_T    		/**/
+
+/* HAS_READV:
+ *	This symbol, if defined, indicates that the readv routine is
+ *	available to do gather reads.  You will also need <sys/uio.h>
+ *	and there I_SYSUIO.
+ */
+#$d_readv HAS_READV		/**/
+
+/* HAS_RECVMSG:
+ *	This symbol, if defined, indicates that the recvmsg routine is
+ *	available to send structured socket messages.
+ */
+#$d_recvmsg HAS_RECVMSG		/**/
+
+/* HAS_REMAINDER:
+ *	This symbol, if defined, indicates that the remainder routine is
+ *	available to return the floating-point remainder.
+ */
+#$d_remainder HAS_REMAINDER		/**/
+
+/* HAS_REMQUO:
+ *	This symbol, if defined, indicates that the remquo routine is
+ *	available to return the remainder and part of quotient.
+ */
+#$d_remquo HAS_REMQUO		/**/
+
+/* HAS_RINT:
+ *	This symbol, if defined, indicates that the rint routine is
+ *	available to return the nearest integral value to x as double
+ *	using the current rounding mode.
+ */
+#$d_rint HAS_RINT		/**/
+
+/* HAS_ROUND:
+ *	This symbol, if defined, indicates that the round routine is
+ *	available to round to nearest integer, away from zero.
+ */
+#$d_round HAS_ROUND		/**/
+
+/* HAS_SBRK_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the sbrk() function.  Otherwise, it is up
+ *	to the program to supply one.  Good guesses are
+ *		extern void* sbrk(int);
+ *		extern void* sbrk(size_t);
+ */
+#$d_sbrkproto	HAS_SBRK_PROTO	/**/
+
+/* HAS_SCALBN:
+ *	This symbol, if defined, indicates that the scalbn routine is
+ *	available to multiply floating-point number by integral power
+ *	of radix.
+ */
+#$d_scalbn HAS_SCALBN		/**/
+
+/* HAS_SCALBNL:
+ *	This symbol, if defined, indicates that the scalbnl routine is
+ *	available.  If ilogbl is also present we can emulate frexpl.
+ */
+#$d_scalbnl HAS_SCALBNL		/**/
+
+/* HAS_SENDMSG:
+ *	This symbol, if defined, indicates that the sendmsg routine is
+ *	available to send structured socket messages.
+ */
+#$d_sendmsg HAS_SENDMSG		/**/
+
+/* HAS_SETITIMER:
+ *	This symbol, if defined, indicates that the setitimer routine is
+ *	available to set interval timers.
+ */
+#$d_setitimer HAS_SETITIMER		/**/
+
+/* HAS_SETPROCTITLE:
+ *	This symbol, if defined, indicates that the setproctitle routine is
+ *	available to set process title.
+ */
+#$d_setproctitle HAS_SETPROCTITLE		/**/
+
+/* HAS_SIGNBIT:
+ *	This symbol, if defined, indicates that the signbit routine is
+ *	available to check if the given number has the sign bit set.
+ *	This should include correct testing of -0.0.  This will only be set
+ *	if the signbit() routine is safe to use with the NV type used internally
+ *	in perl.  Users should call Perl_signbit(), which will be #defined to
+ *	the system's signbit() function or macro if this symbol is defined.
+ */
+#$d_signbit HAS_SIGNBIT		/**/
+
+/* HAS_SIGPROCMASK:
+ *	This symbol, if defined, indicates that the sigprocmask
+ *	system call is available to examine or change the signal mask
+ *	of the calling process.
+ */
+#$d_sigprocmask HAS_SIGPROCMASK		/**/
+
+/* USE_SITECUSTOMIZE:
+ *	This symbol, if defined, indicates that sitecustomize should
+ *	be used.
+ */
+#ifndef USE_SITECUSTOMIZE
+#$usesitecustomize	USE_SITECUSTOMIZE		/**/
+#endif
+
+/* HAS_SNPRINTF:
+ *	This symbol, if defined, indicates that the snprintf () library
+ *	function is available for use.
+ */
+/* HAS_VSNPRINTF:
+ *	This symbol, if defined, indicates that the vsnprintf () library
+ *	function is available for use.
+ */
+#$d_snprintf HAS_SNPRINTF	/**/
+#$d_vsnprintf HAS_VSNPRINTF	/**/
+
+/* HAS_SOCKATMARK:
+ *	This symbol, if defined, indicates that the sockatmark routine is
+ *	available to test whether a socket is at the out-of-band mark.
+ */
+#$d_sockatmark HAS_SOCKATMARK		/**/
+
+/* HAS_SOCKATMARK_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the sockatmark() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern int sockatmark(int);
+ */
+#$d_sockatmarkproto	HAS_SOCKATMARK_PROTO	/**/
+
+/* HAS_SOCKS5_INIT:
+ *	This symbol, if defined, indicates that the socks5_init routine is
+ *	available to initialize SOCKS 5.
+ */
+#$d_socks5_init HAS_SOCKS5_INIT		/**/
+
+/* SPRINTF_RETURNS_STRLEN:
+ *	This variable defines whether sprintf returns the length of the string
+ *	(as per the ANSI spec). Some C libraries retain compatibility with
+ *	pre-ANSI C and return a pointer to the passed in buffer; for these
+ *	this variable will be undef.
+ */
+#$d_sprintf_returns_strlen SPRINTF_RETURNS_STRLEN	/**/
+
+/* HAS_SQRTL:
+ *	This symbol, if defined, indicates that the sqrtl routine is
+ *	available to do long double square roots.
+ */
+#$d_sqrtl HAS_SQRTL		/**/
+
+/* HAS_SETRESGID_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the setresgid() function.  Otherwise, it is up
+ *	to the program to supply one.  Good guesses are
+ *		extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
+ */
+#$d_sresgproto	HAS_SETRESGID_PROTO	/**/
+
+/* HAS_SETRESUID_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the setresuid() function.  Otherwise, it is up
+ *	to the program to supply one.  Good guesses are
+ *		extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
+ */
+#$d_sresuproto	HAS_SETRESUID_PROTO	/**/
+
+/* HAS_STRUCT_STATFS_F_FLAGS:
+ *	This symbol, if defined, indicates that the struct statfs
+ *	does have the f_flags member containing the mount flags of
+ *	the filesystem containing the file.
+ *	This kind of struct statfs is coming from <sys/mount.h> (BSD 4.3),
+ *	not from <sys/statfs.h> (SYSV).  Older BSDs (like Ultrix) do not
+ *	have statfs() and struct statfs, they have ustat() and getmnt()
+ *	with struct ustat and struct fs_data.
+ */
+#$d_statfs_f_flags HAS_STRUCT_STATFS_F_FLAGS		/**/
+
+/* HAS_STRUCT_STATFS:
+ *	This symbol, if defined, indicates that the struct statfs
+ *	to do statfs() is supported.
+ */
+#$d_statfs_s HAS_STRUCT_STATFS	/**/
+
+/* HAS_FSTATVFS:
+ *	This symbol, if defined, indicates that the fstatvfs routine is
+ *	available to stat filesystems by file descriptors.
+ */
+#$d_fstatvfs HAS_FSTATVFS		/**/
+
+/* HAS_STRFTIME:
+ *	This symbol, if defined, indicates that the strftime routine is
+ *	available to do time formatting.
+ */
+#$d_strftime HAS_STRFTIME		/**/
+
+/* HAS_STRLCAT:
+ *	This symbol, if defined, indicates that the strlcat () routine is
+ *	available to do string concatenation.
+ */
+#$d_strlcat HAS_STRLCAT		/**/
+
+/* HAS_STRLCPY:
+ *	This symbol, if defined, indicates that the strlcpy () routine is
+ *	available to do string copying.
+ */
+#$d_strlcpy HAS_STRLCPY		/**/
+
+/* HAS_STRTOLD:
+ *	This symbol, if defined, indicates that the strtold routine is
+ *	available to convert strings to long doubles.
+ */
+#$d_strtold HAS_STRTOLD		/**/
+
+/* HAS_STRTOLL:
+ *	This symbol, if defined, indicates that the strtoll routine is
+ *	available to convert strings to long longs.
+ */
+#$d_strtoll HAS_STRTOLL		/**/
+
+/* HAS_STRTOQ:
+ *	This symbol, if defined, indicates that the strtoq routine is
+ *	available to convert strings to long longs (quads).
+ */
+#$d_strtoq HAS_STRTOQ		/**/
+
+/* HAS_STRTOULL:
+ *	This symbol, if defined, indicates that the strtoull routine is
+ *	available to convert strings to unsigned long longs.
+ */
+#$d_strtoull HAS_STRTOULL		/**/
+
+/* HAS_STRTOUQ:
+ *	This symbol, if defined, indicates that the strtouq routine is
+ *	available to convert strings to unsigned long longs (quads).
+ */
+#$d_strtouq HAS_STRTOUQ		/**/
+
+/* HAS_SYSCALL_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the syscall() function.  Otherwise, it is up
+ *	to the program to supply one.  Good guesses are
+ *		extern int syscall(int,  ...);
+ *		extern int syscall(long, ...);
+ */
+#$d_syscallproto	HAS_SYSCALL_PROTO	/**/
+
+/* HAS_TELLDIR_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the telldir() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern long telldir(DIR*);
+ */
+#$d_telldirproto	HAS_TELLDIR_PROTO	/**/
+
+/* HAS_TGAMMA:
+ *	This symbol, if defined, indicates that the tgamma routine is
+ *	available to do the gamma function. See also HAS_LGAMMA.
+ */
+#$d_tgamma HAS_TGAMMA		/**/
+
+/* HAS_CTIME64:
+ *	This symbol, if defined, indicates that the ctime64 () routine is
+ *	available to do the 64bit variant of ctime ()
+ */
+/* HAS_LOCALTIME64:
+ *	This symbol, if defined, indicates that the localtime64 () routine is
+ *	available to do the 64bit variant of localtime ()
+ */
+/* HAS_GMTIME64:
+ *	This symbol, if defined, indicates that the gmtime64 () routine is
+ *	available to do the 64bit variant of gmtime ()
+ */
+/* HAS_MKTIME64:
+ *	This symbol, if defined, indicates that the mktime64 () routine is
+ *	available to do the 64bit variant of mktime ()
+ */
+/* HAS_DIFFTIME64:
+ *	This symbol, if defined, indicates that the difftime64 () routine is
+ *	available to do the 64bit variant of difftime ()
+ */
+/* HAS_ASCTIME64:
+ *	This symbol, if defined, indicates that the asctime64 () routine is
+ *	available to do the 64bit variant of asctime ()
+ */
+#$d_ctime64	HAS_CTIME64		/**/
+#$d_localtime64	HAS_LOCALTIME64		/**/
+#$d_gmtime64	HAS_GMTIME64		/**/
+#$d_mktime64	HAS_MKTIME64		/**/
+#$d_difftime64	HAS_DIFFTIME64		/**/
+#$d_asctime64	HAS_ASCTIME64		/**/
+
+/* HAS_TIMEGM:
+ *	This symbol, if defined, indicates that the timegm routine is
+ *	available to do the opposite of gmtime ()
+ */
+#$d_timegm HAS_TIMEGM		/**/
+
+/* HAS_TRUNC:
+ *	This symbol, if defined, indicates that the trunc routine is
+ *	available to round doubles towards zero.
+ */
+#$d_trunc HAS_TRUNC		/**/
+
+/* HAS_TRUNCL:
+ *	This symbol, if defined, indicates that the truncl routine is
+ *	available. If copysignl is also present we can emulate modfl.
+ */
+#$d_truncl HAS_TRUNCL		/**/
+
+/* U32_ALIGNMENT_REQUIRED:
+ *	This symbol, if defined, indicates that you must access
+ *	character data through U32-aligned pointers.
+ */
+#ifndef U32_ALIGNMENT_REQUIRED
+#$d_u32align U32_ALIGNMENT_REQUIRED	/**/
+#endif
+
+/* HAS_UALARM:
+ *	This symbol, if defined, indicates that the ualarm routine is
+ *	available to do alarms with microsecond granularity.
+ */
+#$d_ualarm HAS_UALARM		/**/
+
+/* HAS_UNORDERED:
+ *	This symbol, if defined, indicates that the unordered routine is
+ *	available to check whether two doubles are unordered
+ *	(effectively: whether either of them is NaN)
+ */
+#$d_unordered HAS_UNORDERED		/**/
+
+/* HAS_UNSETENV:
+ *	This symbol, if defined, indicates that the unsetenv () routine is
+ *	available for use.
+ */
+#$d_unsetenv HAS_UNSETENV		/**/
+
+/* HAS_USLEEP_PROTO:
+ *	This symbol, if defined, indicates that the system provides
+ *	a prototype for the usleep() function.  Otherwise, it is up
+ *	to the program to supply one.  A good guess is
+ *		extern int usleep(useconds_t);
+ */
+#$d_usleepproto	HAS_USLEEP_PROTO	/**/
+
+/* HAS_USTAT:
+ *	This symbol, if defined, indicates that the ustat system call is
+ *	available to query file system statistics by dev_t.
+ */
+#$d_ustat HAS_USTAT		/**/
+
+/* HAS_WCSCMP:
+ *	This symbol, if defined, indicates that the wcscmp routine is
+ *	available to compare two wide character strings.
+ */
+#$d_wcscmp HAS_WCSCMP	/**/
+
+/* HAS_WCSXFRM:
+ *	This symbol, if defined, indicates that the wcsxfrm routine is
+ *	available to tranform a wide character string for wcscmp().
+ */
+#$d_wcsxfrm HAS_WCSXFRM	/**/
+
+/* HAS_WRITEV:
+ *	This symbol, if defined, indicates that the writev routine is
+ *	available to do scatter writes.
+ */
+#$d_writev HAS_WRITEV		/**/
+
+/* USE_DYNAMIC_LOADING:
+ *	This symbol, if defined, indicates that dynamic loading of
+ *	some sort is available.
+ */
+#$usedl USE_DYNAMIC_LOADING		/**/
+
+/* FFLUSH_NULL:
+ *	This symbol, if defined, tells that fflush(NULL) correctly
+ *	flushes all pending stdio output without side effects. In
+ *	particular, on some platforms calling fflush(NULL) *still*
+ *	corrupts STDIN if it is a pipe.
+ */
+/* FFLUSH_ALL:
+ *	This symbol, if defined, tells that to flush
+ *	all pending stdio output one must loop through all
+ *	the stdio file handles stored in an array and fflush them.
+ *	Note that if fflushNULL is defined, fflushall will not
+ *	even be probed for and will be left undefined.
+ */
+#$fflushNULL	FFLUSH_NULL 		/**/
+#$fflushall	FFLUSH_ALL 		/**/
+
+/* I_ASSERT:
+ *	This symbol, if defined, indicates that <assert.h> exists and
+ *	could be included by the C program to get the assert() macro.
+ */
+#$i_assert	I_ASSERT		/**/
+
+/* I_BFD:
+ *	This symbol, if defined, indicates that <bfd.h> exists and
+ *	can be included.
+ */
+#$i_bfd	I_BFD		/**/
+
+/* I_CRYPT:
+ *	This symbol, if defined, indicates that <crypt.h> exists and
+ *	should be included.
+ */
+#$i_crypt	I_CRYPT		/**/
+
+/* DB_Prefix_t:
+ *	This symbol contains the type of the prefix structure element
+ *	in the <db.h> header file.  In older versions of DB, it was
+ *	int, while in newer ones it is u_int32_t.
+ */
+/* DB_Hash_t:
+ *	This symbol contains the type of the prefix structure element
+ *	in the <db.h> header file.  In older versions of DB, it was
+ *	int, while in newer ones it is size_t.
+ */
+/* DB_VERSION_MAJOR_CFG:
+ *	This symbol, if defined, defines the major version number of
+ *	Berkeley DB found in the <db.h> header when Perl was configured.
+ */
+/* DB_VERSION_MINOR_CFG:
+ *	This symbol, if defined, defines the minor version number of
+ *	Berkeley DB found in the <db.h> header when Perl was configured.
+ *	For DB version 1 this is always 0.
+ */
+/* DB_VERSION_PATCH_CFG:
+ *	This symbol, if defined, defines the patch version number of
+ *	Berkeley DB found in the <db.h> header when Perl was configured.
+ *	For DB version 1 this is always 0.
+ */
+#define DB_Hash_t	$db_hashtype		/**/
+#define DB_Prefix_t	$db_prefixtype  	/**/
+#define DB_VERSION_MAJOR_CFG	$db_version_major  	/**/
+#define DB_VERSION_MINOR_CFG	$db_version_minor  	/**/
+#define DB_VERSION_PATCH_CFG	$db_version_patch  	/**/
+
+/* I_FENV:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <fenv.h> to get the floating point environment definitions.
+ */
+#$i_fenv I_FENV		/**/
+
+/* I_FP:
+ *	This symbol, if defined, indicates that <fp.h> exists and
+ *	should be included.
+ */
+#$i_fp	I_FP		/**/
+
+/* I_FP_CLASS:
+ *	This symbol, if defined, indicates that <fp_class.h> exists and
+ *	should be included.
+ */
+#$i_fp_class	I_FP_CLASS		/**/
+
+/* I_IEEEFP:
+ *	This symbol, if defined, indicates that <ieeefp.h> exists and
+ *	should be included.
+ */
+#$i_ieeefp	I_IEEEFP		/**/
+
+/* I_INTTYPES:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <inttypes.h>.
+ */
+#$i_inttypes   I_INTTYPES                /**/
+
+/* I_LANGINFO:
+ *	This symbol, if defined, indicates that <langinfo.h> exists and
+ *	should be included.
+ */
+#$i_langinfo	I_LANGINFO		/**/
+
+/* I_LIBUTIL:
+ *	This symbol, if defined, indicates that <libutil.h> exists and
+ *	should be included.
+ */
+#$i_libutil	I_LIBUTIL		/**/
+
+/* I_MALLOCMALLOC:
+ *	This symbol, if defined, indicates to the C program that it should
+ *	include <malloc/malloc.h>.
+ */
+#$i_mallocmalloc I_MALLOCMALLOC		/**/
+
+/* I_MNTENT:
+ *	This symbol, if defined, indicates that <mntent.h> exists and
+ *	should be included.
+ */
+#$i_mntent	I_MNTENT		/**/
+
+/* I_NETINET_TCP:
+ *     This symbol, if defined, indicates to the C program that it should
+ *     include <netinet/tcp.h>.
+ */
+#$i_netinettcp   I_NETINET_TCP                /**/
+
+/* I_POLL:
+ *	This symbol, if defined, indicates that <poll.h> exists and
+ *	should be included. (see also HAS_POLL)
+ */
+#$i_poll	I_POLL		/**/
+
+/* I_PROT:
+ *	This symbol, if defined, indicates that <prot.h> exists and
+ *	should be included.
+ */
+#$i_prot	I_PROT		/**/
+
+/* I_QUADMATH:
+ *	This symbol, if defined, indicates that <quadmath.h> exists and
+ *	should be included.
+ */
+#$i_quadmath	I_QUADMATH		/**/
+
+/* I_SHADOW:
+ *	This symbol, if defined, indicates that <shadow.h> exists and
+ *	should be included.
+ */
+#$i_shadow	I_SHADOW		/**/
+
+/* I_SOCKS:
+ *	This symbol, if defined, indicates that <socks.h> exists and
+ *	should be included.
+ */
+#$i_socks	I_SOCKS		/**/
+
+/* I_STDBOOL:
+ *	This symbol, if defined, indicates that <stdbool.h> exists and
+ *	can be included.
+ */
+#$i_stdbool	I_STDBOOL		/**/
+
+/* I_STDINT:
+ *	This symbol, if defined, indicates that <stdint.h> exists and
+ *	should be included.
+ */
+#$i_stdint I_STDINT		/**/
+
+/* I_SUNMATH:
+ *	This symbol, if defined, indicates that <sunmath.h> exists and
+ *	should be included.
+ */
+#$i_sunmath	I_SUNMATH		/**/
+
+/* I_SYSLOG:
+ *	This symbol, if defined, indicates that <syslog.h> exists and
+ *	should be included.
+ */
+#$i_syslog	I_SYSLOG		/**/
+
+/* I_SYSMODE:
+ *	This symbol, if defined, indicates that <sys/mode.h> exists and
+ *	should be included.
+ */
+#$i_sysmode	I_SYSMODE		/**/
+
+/* I_SYS_MOUNT:
+ *	This symbol, if defined, indicates that <sys/mount.h> exists and
+ *	should be included.
+ */
+#$i_sysmount	I_SYS_MOUNT		/**/
+
+/* I_SYS_STATFS:
+ *	This symbol, if defined, indicates that <sys/statfs.h> exists.
+ */
+#$i_sysstatfs	I_SYS_STATFS		/**/
+
+/* I_SYS_STATVFS:
+ *	This symbol, if defined, indicates that <sys/statvfs.h> exists and
+ *	should be included.
+ */
+#$i_sysstatvfs	I_SYS_STATVFS		/**/
+
+/* I_SYSUTSNAME:
+ *	This symbol, if defined, indicates that <sys/utsname.h> exists and
+ *	should be included.
+ */
+#$i_sysutsname	I_SYSUTSNAME		/**/
+
+/* I_SYS_VFS:
+ *	This symbol, if defined, indicates that <sys/vfs.h> exists and
+ *	should be included.
+ */
+#$i_sysvfs	I_SYS_VFS		/**/
+
+/* I_USTAT:
+ *	This symbol, if defined, indicates that <ustat.h> exists and
+ *	should be included.
+ */
+#$i_ustat	I_USTAT		/**/
+
+/* PERL_PRIfldbl:
+ *	This symbol, if defined, contains the string used by stdio to
+ *	format long doubles (format 'f') for output.
+ */
+/* PERL_PRIgldbl:
+ *	This symbol, if defined, contains the string used by stdio to
+ *	format long doubles (format 'g') for output.
+ */
+/* PERL_PRIeldbl:
+ *	This symbol, if defined, contains the string used by stdio to
+ *	format long doubles (format 'e') for output.
+ */
+/* PERL_SCNfldbl:
+ *	This symbol, if defined, contains the string used by stdio to
+ *	format long doubles (format 'f') for input.
+ */
+/* DOUBLEKIND:
+ *	DOUBLEKIND will be one of
+ *	DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
+ *	DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
+ *	DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
+ *	DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
+ *	DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
+ *	DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
+ *	DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
+ *	DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
+ *	DOUBLE_IS_UNKNOWN_FORMAT
+ */
+#define DOUBLEKIND $doublekind		/**/
+#define DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN	1
+#define DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN	2
+#define DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN	3
+#define DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN	4
+#define DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN	5
+#define DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN	6
+#define DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE	7
+#define DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE	8
+#define DOUBLE_IS_UNKNOWN_FORMAT		-1
+#$d_PRIfldbl PERL_PRIfldbl	$sPRIfldbl	/**/
+#$d_PRIgldbl PERL_PRIgldbl	$sPRIgldbl	/**/
+#$d_PRIeldbl PERL_PRIeldbl	$sPRIeldbl	/**/
+#$d_SCNfldbl PERL_SCNfldbl	$sSCNfldbl	/**/
+
+/* NEED_VA_COPY:
+ *	This symbol, if defined, indicates that the system stores
+ *	the variable argument list datatype, va_list, in a format
+ *	that cannot be copied by simple assignment, so that some
+ *	other means must be used when copying is required.
+ *	As such systems vary in their provision (or non-provision)
+ *	of copying mechanisms, handy.h defines a platform-
+ *	independent macro, Perl_va_copy(src, dst), to do the job.
+ */
+#$need_va_copy	NEED_VA_COPY		/**/
+
+/* IVTYPE:
+ *	This symbol defines the C type used for Perl's IV.
+ */
+/* UVTYPE:
+ *	This symbol defines the C type used for Perl's UV.
+ */
+/* I8TYPE:
+ *	This symbol defines the C type used for Perl's I8.
+ */
+/* U8TYPE:
+ *	This symbol defines the C type used for Perl's U8.
+ */
+/* I16TYPE:
+ *	This symbol defines the C type used for Perl's I16.
+ */
+/* U16TYPE:
+ *	This symbol defines the C type used for Perl's U16.
+ */
+/* I32TYPE:
+ *	This symbol defines the C type used for Perl's I32.
+ */
+/* U32TYPE:
+ *	This symbol defines the C type used for Perl's U32.
+ */
+/* I64TYPE:
+ *	This symbol defines the C type used for Perl's I64.
+ */
+/* U64TYPE:
+ *	This symbol defines the C type used for Perl's U64.
+ */
+/* NVTYPE:
+ *	This symbol defines the C type used for Perl's NV.
+ */
+/* IVSIZE:
+ *	This symbol contains the sizeof(IV).
+ */
+/* UVSIZE:
+ *	This symbol contains the sizeof(UV).
+ */
+/* I8SIZE:
+ *	This symbol contains the sizeof(I8).
+ */
+/* U8SIZE:
+ *	This symbol contains the sizeof(U8).
+ */
+/* I16SIZE:
+ *	This symbol contains the sizeof(I16).
+ */
+/* U16SIZE:
+ *	This symbol contains the sizeof(U16).
+ */
+/* I32SIZE:
+ *	This symbol contains the sizeof(I32).
+ */
+/* U32SIZE:
+ *	This symbol contains the sizeof(U32).
+ */
+/* I64SIZE:
+ *	This symbol contains the sizeof(I64).
+ */
+/* U64SIZE:
+ *	This symbol contains the sizeof(U64).
+ */
+/* NVSIZE:
+ *	This symbol contains the sizeof(NV).
+ *	Note that some floating point formats have unused bytes.
+ *	The most notable example is the x86* 80-bit extended precision
+ *	which comes in byte sizes of 12 and 16 (for 32 and 64 bit
+ *	platforms, respectively), but which only uses 10 bytes.
+ *	Perl compiled with -Duselongdouble on x86* is like this.
+ */
+/* NV_PRESERVES_UV:
+ *	This symbol, if defined, indicates that a variable of type NVTYPE
+ *	can preserve all the bits of a variable of type UVTYPE.
+ */
+/* NV_PRESERVES_UV_BITS:
+ *	This symbol contains the number of bits a variable of type NVTYPE
+ *	can preserve of a variable of type UVTYPE.
+ */
+/* NV_OVERFLOWS_INTEGERS_AT:
+ *	This symbol gives the largest integer value that NVs can hold. This
+ *	value + 1.0 cannot be stored accurately. It is expressed as constant
+ *	floating point expression to reduce the chance of decimal/binary
+ *	conversion issues. If it can not be determined, the value 0 is given.
+ */
+/* NV_ZERO_IS_ALLBITS_ZERO:
+ *	This symbol, if defined, indicates that a variable of type NVTYPE
+ *	stores 0.0 in memory as all bits zero.
+ */
+#define	IVTYPE		$ivtype		/**/
+#define	UVTYPE		$uvtype		/**/
+#define	I8TYPE		$i8type		/**/
+#define	U8TYPE		$u8type		/**/
+#define	I16TYPE		$i16type	/**/
+#define	U16TYPE		$u16type	/**/
+#define	I32TYPE		$i32type	/**/
+#define	U32TYPE		$u32type	/**/
+#ifdef HAS_QUAD
+#define	I64TYPE		$i64type	/**/
+#define	U64TYPE		$u64type	/**/
+#endif
+#define	NVTYPE		$nvtype		/**/
+#define	IVSIZE		$ivsize		/**/
+#define	UVSIZE		$uvsize		/**/
+#define	I8SIZE		$i8size		/**/
+#define	U8SIZE		$u8size		/**/
+#define	I16SIZE		$i16size	/**/
+#define	U16SIZE		$u16size	/**/
+#define	I32SIZE		$i32size	/**/
+#define	U32SIZE		$u32size	/**/
+#ifdef HAS_QUAD
+#define	I64SIZE		$i64size	/**/
+#define	U64SIZE		$u64size	/**/
+#endif
+#define	NVSIZE		$nvsize		/**/
+#$d_nv_preserves_uv	NV_PRESERVES_UV
+#define	NV_PRESERVES_UV_BITS	$nv_preserves_uv_bits
+#define	NV_OVERFLOWS_INTEGERS_AT	$nv_overflows_integers_at
+#$d_nv_zero_is_allbits_zero	NV_ZERO_IS_ALLBITS_ZERO
+#if UVSIZE == 8
+#   ifdef BYTEORDER
+#       if BYTEORDER == 0x1234
+#           undef BYTEORDER
+#           define BYTEORDER 0x12345678
+#       else
+#           if BYTEORDER == 0x4321
+#               undef BYTEORDER
+#               define BYTEORDER 0x87654321
+#           endif
+#       endif
+#   endif
+#endif
+
+/* IVdf:
+ *	This symbol defines the format string used for printing a Perl IV
+ *	as a signed decimal integer.
+ */
+/* UVuf:
+ *	This symbol defines the format string used for printing a Perl UV
+ *	as an unsigned decimal integer.
+ */
+/* UVof:
+ *	This symbol defines the format string used for printing a Perl UV
+ *	as an unsigned octal integer.
+ */
+/* UVxf:
+ *	This symbol defines the format string used for printing a Perl UV
+ *	as an unsigned hexadecimal integer in lowercase abcdef.
+ */
+/* UVXf:
+ *	This symbol defines the format string used for printing a Perl UV
+ *	as an unsigned hexadecimal integer in uppercase ABCDEF.
+ */
+/* NVef:
+ *	This symbol defines the format string used for printing a Perl NV
+ *	using %e-ish floating point format.
+ */
+/* NVff:
+ *	This symbol defines the format string used for printing a Perl NV
+ *	using %f-ish floating point format.
+ */
+/* NVgf:
+ *	This symbol defines the format string used for printing a Perl NV
+ *	using %g-ish floating point format.
+ */
+#define	IVdf		$ivdformat		/**/
+#define	UVuf		$uvuformat		/**/
+#define	UVof		$uvoformat		/**/
+#define	UVxf		$uvxformat		/**/
+#define	UVXf		$uvXUformat		/**/
+#define	NVef		$nveformat		/**/
+#define	NVff		$nvfformat		/**/
+#define	NVgf		$nvgformat		/**/
+
+/* SELECT_MIN_BITS:
+ *	This symbol holds the minimum number of bits operated by select.
+ *	That is, if you do select(n, ...), how many bits at least will be
+ *	cleared in the masks if some activity is detected.  Usually this
+ *	is either n or 32*ceil(n/32), especially many little-endians do
+ *	the latter.  This is only useful if you have select(), naturally.
+ */
+#define SELECT_MIN_BITS 	$selectminbits	/**/
+
+/* ST_INO_SIZE:
+ *	This variable contains the size of struct stat's st_ino in bytes.
+ */
+/* ST_INO_SIGN:
+ *	This symbol holds the signedness of struct stat's st_ino.
+ *	1 for unsigned, -1 for signed.
+ */
+#define ST_INO_SIGN $st_ino_sign	/* st_ino sign */
+#define ST_INO_SIZE $st_ino_size	/* st_ino size */
+
+/* STARTPERL:
+ *	This variable contains the string to put in front of a perl
+ *	script to make sure (one hopes) that it runs with perl and not
+ *	some shell.
+ */
+#define STARTPERL "$startperl"		/**/
+
+/* HAS_STDIO_STREAM_ARRAY:
+ *	This symbol, if defined, tells that there is an array
+ *	holding the stdio streams.
+ */
+/* STDIO_STREAM_ARRAY:
+ *	This symbol tells the name of the array holding the stdio streams.
+ *	Usual values include _iob, __iob, and __sF.
+ */
+#$d_stdio_stream_array	HAS_STDIO_STREAM_ARRAY	/**/
+#ifdef HAS_STDIO_STREAM_ARRAY
+#define STDIO_STREAM_ARRAY	$stdio_stream_array
+#endif
+
+/* GMTIME_MAX:
+ *	This symbol contains the maximum value for the time_t offset that
+ *	the system function gmtime () accepts, and defaults to 0
+ */
+/* GMTIME_MIN:
+ *	This symbol contains the minimum value for the time_t offset that
+ *	the system function gmtime () accepts, and defaults to 0
+ */
+/* LOCALTIME_MAX:
+ *	This symbol contains the maximum value for the time_t offset that
+ *	the system function localtime () accepts, and defaults to 0
+ */
+/* LOCALTIME_MIN:
+ *	This symbol contains the minimum value for the time_t offset that
+ *	the system function localtime () accepts, and defaults to 0
+ */
+#define GMTIME_MAX		$sGMTIME_max	/**/
+#define GMTIME_MIN		$sGMTIME_min	/**/
+#define LOCALTIME_MAX	$sLOCALTIME_max	/**/
+#define LOCALTIME_MIN	$sLOCALTIME_min	/**/
+
+/* USE_64_BIT_INT:
+ *	This symbol, if defined, indicates that 64-bit integers should
+ *	be used when available.  If not defined, the native integers
+ *	will be employed (be they 32 or 64 bits).  The minimal possible
+ *	64-bitness is used, just enough to get 64-bit integers into Perl.
+ *	This may mean using for example "long longs", while your memory
+ *	may still be limited to 2 gigabytes.
+ */
+/* USE_64_BIT_ALL:
+ *	This symbol, if defined, indicates that 64-bit integers should
+ *	be used when available.  If not defined, the native integers
+ *	will be used (be they 32 or 64 bits).  The maximal possible
+ *	64-bitness is employed: LP64 or ILP64, meaning that you will
+ *	be able to use more than 2 gigabytes of memory.  This mode is
+ *	even more binary incompatible than USE_64_BIT_INT. You may not
+ *	be able to run the resulting executable in a 32-bit CPU at all or
+ *	you may need at least to reboot your OS to 64-bit mode.
+ */
+#ifndef USE_64_BIT_INT
+#$use64bitint	USE_64_BIT_INT		/**/
+#endif
+#ifndef USE_64_BIT_ALL
+#$use64bitall	USE_64_BIT_ALL		/**/
+#endif
+
+/* USE_CBACKTRACE:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built with support for backtrace.
+ */
+#$usecbacktrace USE_CBACKTRACE		/**/
+
+/* USE_DTRACE:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built with support for DTrace.
+ */
+#$usedtrace USE_DTRACE		/**/
+
+/* USE_FAST_STDIO:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built to use 'fast stdio'.
+ *	Defaults to define in Perls 5.8 and earlier, to undef later.
+ */
+#ifndef USE_FAST_STDIO
+#$usefaststdio	USE_FAST_STDIO		/**/
+#endif
+
+/* USE_KERN_PROC_PATHNAME:
+ *	This symbol, if defined, indicates that we can use sysctl with
+ *	KERN_PROC_PATHNAME to get a full path for the executable, and hence
+ * 	convert $^X to an absolute path.
+ */
+#$usekernprocpathname USE_KERN_PROC_PATHNAME	/**/
+
+/* USE_LARGE_FILES:
+ *	This symbol, if defined, indicates that large file support
+ *	should be used when available.
+ */
+#ifndef USE_LARGE_FILES
+#$uselargefiles	USE_LARGE_FILES		/**/
+#endif
+
+/* USE_LONG_DOUBLE:
+ *	This symbol, if defined, indicates that long doubles should
+ *	be used when available.
+ */
+#ifndef USE_LONG_DOUBLE
+#$uselongdouble	USE_LONG_DOUBLE		/**/
+#endif
+
+/* USE_MORE_BITS:
+ *	This symbol, if defined, indicates that 64-bit interfaces and
+ *	long doubles should be used when available.
+ */
+#ifndef USE_MORE_BITS
+#$usemorebits	USE_MORE_BITS		/**/
+#endif
+
+/* MULTIPLICITY:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built to use multiplicity.
+ */
+#ifndef MULTIPLICITY
+#$usemultiplicity	MULTIPLICITY		/**/
+#endif
+
+/* USE_NSGETEXECUTABLEPATH:
+ *	This symbol, if defined, indicates that we can use _NSGetExecutablePath
+ *	and realpath to get a full path for the executable, and hence convert
+ *	$^X to an absolute path.
+ */
+#$usensgetexecutablepath USE_NSGETEXECUTABLEPATH	/**/
+
+/* USE_PERLIO:
+ *	This symbol, if defined, indicates that the PerlIO abstraction should
+ *	be used throughout.  If not defined, stdio should be
+ *	used in a fully backward compatible manner.
+ */
+#ifndef USE_PERLIO
+#$useperlio	USE_PERLIO		/**/
+#endif
+
+/* USE_QUADMATH:
+ *	This symbol, if defined, indicates that the quadmath library should
+ *	be used when available.
+ */
+#ifndef USE_QUADMATH
+#$usequadmath	USE_QUADMATH		/**/
+#endif
+
+/* USE_SOCKS:
+ *	This symbol, if defined, indicates that Perl should
+ *	be built to use socks.
+ */
+#ifndef USE_SOCKS
+#$usesocks	USE_SOCKS		/**/
+#endif
+
+#endif
+!GROK!THIS!
+;;
+esac