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May 25th. 2007:
April, 26th. 2006:
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GROUP_MEMBER
Section: Linux Programmer's Manual (3) Updated: 2014-03-30 Index
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NAME
group_member - test whether a process is in a group
SYNOPSIS
#include <unistd.h>
int group_member(gid_t gid);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
group_member():
_GNU_SOURCE
DESCRIPTION
The
group_member()
function tests whether any of the caller's supplementary group IDs
(as returned by
getgroups(2))
matches
gid.
RETURN VALUE
The
group_member()
function returns nonzero if any of the caller's
supplementary group IDs matches
gid,
and zero otherwise.
CONFORMING TO
This function is a nonstandard GNU extension.
SEE ALSO
getgid(2),
getgroups(2),
getgrouplist(3),
group(5)
COLOPHON
This page is part of release 4.13 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
https://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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