getegid man page on Hurd

getegid man page on Hurd

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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 3.55 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)

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