Unix process states Post: 302600802

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getegid

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() wrapper functions transparently deal with the	variations  across  kernel
       versions.

SEE ALSO

       getresgid(2), setgid(2), setregid(2), credentials(7)

COLOPHON

       This  page is part of release 3.53 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux								    2010-11-22								 GETGID(2)