1 #include <unistd.h> 2 #include <stdio.h> 3 4 #include "test_helpers.h" 5 6 int main(void) { 7 gid_t egid = getegid(); 8 uid_t euid = geteuid(); 9 gid_t gid = getgid(); 10 pid_t pgid = getpgid(0); 11 pid_t pid = getpid(); 12 pid_t ppid = getppid(); 13 uid_t uid = getuid(); 14 printf("egid: %d, euid: %d, gid: %d, pgid: %d, pid: %d, ppid %d, uid %d\n", 15 egid, euid, gid, pgid, pid, ppid, uid); 16 } 17