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getgid, getegid — get group identity
#include <unistd.h> #include <sys/types.h>
gid_t
getgid( |
void); |
gid_t
getegid( |
void); |
getgid() returns the real
group ID of the calling process.
getegid() returns the
effective group ID of the calling process.
The original Linux getgid()
and getegid() system calls
supported only 16-bit group IDs. Subsequently, Linux 2.4
added getgid32() and
getegid32(), supporting 32-bit
IDs. The glibc getgid() and
getegid() wrapper functions
transparently deal with the variations across kernel
versions.
This page is part of release 3.52 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/.
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Copyright 1993 Rickard E. Faith (faithcs.unc.edu) %%%LICENSE_START(VERBATIM) Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Since the Linux kernel and libraries are constantly changing, this manual page may be incorrect or out-of-date. The author(s) assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. The author(s) may not have taken the same level of care in the production of this manual, which is licensed free of charge, as they might when working professionally. Formatted or processed versions of this manual, if unaccompanied by the source, must acknowledge the copyright and authors of this work. %%%LICENSE_END |