table of contents
group_member(3) | Library Functions Manual | group_member(3) |
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¶
2023-03-30 | Linux man-pages 6.04 |