<hppavilion[1]> le/rn last-class function/A last-class function is a function that cannot be passed as an argument, accept a function as an argument, be returned by a function, return a function, set to a variable other than its initial name, or be called

#include "zz.h"
#include "main.h"

#include <stdio.h>
#include <stdlib.h>

void omgwtf_this_cant_be_happening(const char *file, unsigned long line) {
	fprintf(stderr, "%s: %s:%lu: error message\n", Prog, file, line);
	abort();
}