/*
 * Sample program for getuid system call  - No.47
 *
 * getgid, getegid - get group identity
 *
 * Synopsis
 *     #include <unistd.h>
 *     #include <sys/types.h>
 *
 *     gid_t getgid(void);
 *     gid_t getgid(void);
 *
 * Description
 *     getgid returns the real group ID of the current process.
 *
 *     getegid returns the effective group ID of the current process.
 *
 *     The real ID corresponds to the ID of the calling process.
 *     The effective ID corresponds to the set ID bit on the file
 *     being executed.
 */

#include <stdio.h>

main()
{
	printf("real gid = %d\n", getgid());
	printf("effective gid = %d\n", getegid());
}