x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
GETGID(2) Linux Programmer's Manual GETGID(2)
NAME
getgid, getegid - get group identity
SYNOPSIS
#include <unistd.h>
#include <sys/types.h>
gid_t getgid(void);
gid_t getegid(void);
DESCRIPTION
getgid() returns the real group ID of the calling process.
getegid() returns the effective group ID of the calling process.
ERRORS
These functions are always successful.
CONFORMING TO
POSIX.1-2001, 4.3BSD.
NOTES
The original Linux getgid() and getegid() system calls supported only
16-bit group IDs. Subsequently, Linux 2.4 added getgid32() and gete-
gid32(), supporting 32-bit IDs. The glibc getgid() and getegid() wrap-
per functions transparently deal with the variations across kernel ver-
sions.
SEE ALSO
getresgid(2), setgid(2), setregid(2), credentials(7)
COLOPHON
This page is part of release 3.69 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
http://www.kernel.org/doc/man-pages/.
Linux 2010-11-22 GETGID(2)
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