Programming and posix - February 2001

February 10, 2001
Solution Symposium
Page 30
hp e3000
programming
and posix
environment variables - reading
#include <stdlib.h>
#include <stdio.h>
int main() {
char *foo_value;
if ((foo_value = getenv("FOO")) == NULL) {
printf("FOO not found!\n"); exit(1);
}
printf("FOO=%s\n",foo_value);
}