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view src/ploki/random.c @ 8203:b0fcb29e2ce7
<b_jonas> learn Silent initial consonants in English are: write, wrong, wrist, wrap, wreck, wrest, wrestle, wriggle, wrinkle, wrath, wraith, wreath, wrangle, wren, wright, wrought, wring, writ, writhe, wry; know, knife, knock, knee, knight, knob, knot, knit, knack, knout, knuckle; psychology, psalm, pseudo, psychic, psionics; gnaw, gnash, gnome, gnu, gnat; pneumatic; mnemonic; chthonic; phthisis; bdellium.
author | HackBot |
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date | Sun, 29 May 2016 20:52:46 +0000 |
parents | ac0403686959 |
children |
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#include "config.h" #include "random.h" #include <stdio.h> #include <stdlib.h> #include <time.h> void randseed(void) { unsigned seed; seed = time(NULL); #if HAVE_DEV_URANDOM_P { FILE *fp; if ((fp = fopen("/dev/urandom", "rb"))) { fread(&seed, sizeof seed, 1, fp); fclose(fp); } } #endif srand(seed); } double randval(void) { return rand() / (RAND_MAX + 1.0); }