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group_member
Section: C Library Functions (3) Updated: 202-0-08 Index
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NAME
group_member - test whether a process is in a group
LIBRARY
Standard C library
( libc,~ -lc)
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.
STANDARDS
GNU.
SEE ALSO
getgid(2),
getgroups(2),
getgrouplist(3),
group(5)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- STANDARDS
-
- SEE ALSO
-
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