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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 3.74 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)
NAME | SYNOPSIS | DESCRIPTION | ERRORS | CONFORMING TO | NOTES | SEE ALSO | COLOPHON

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<https://man.freebsd.org/cgi/man.cgi?query=getgid&sektion=2&manpath=Debian+8.1.0>

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