Mega Code Archive
Show,access enviroment vars
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#ifndef __USE_GNU
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
int main(void) {
char **env = environ;
char pwd[256] = {0};
printf("getenv() says, go home: %s\n", getenv("HOME"));
getcwd(pwd, sizeof(pwd));
printf("getcwd says, no I am staying here: %s\n", pwd);
printf("All other enviroment var's .... \n");
for(; *env; env++)
printf("%s\n", *env);
return 0;
}
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