#include <stdlib.h> typedef struct { unsigned char c; int i; void *foo; } S; S *make_s (void); int main (int argc, char **argv) { S *s = make_s (); if (s->c == 0 && s->i == 1 && s->foo == getenv ("BLAH")) abort(); return 0; } S * make_s (void) { S *res = malloc (sizeof (S)); res->c = 1; return res; }