NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | STANDARDS | SEE ALSO | COLOPHON |
|
|
group_member(3) Library Functions Manual group_member(3)
group_member - test whether a process is in a group
Standard C library (libc, -lc)
#include <unistd.h> int group_member(gid_t gid); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): group_member(): _GNU_SOURCE
The group_member() function tests whether any of the caller's supplementary group IDs (as returned by getgroups(2)) matches gid.
The group_member() function returns nonzero if any of the caller's supplementary group IDs matches gid, and zero otherwise.
GNU.
getgid(2), getgroups(2), getgrouplist(3), group(5)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
This page was obtained from the tarball man-pages-6.9.1.tar.gz
fetched from
⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
2024-06-26. If you discover any rendering problems in this HTML
version of the page, or you believe there is a better or more up-
to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not
part of the original manual page), send a mail to
[email protected]
Linux man-pages 6.9.1 2024-05-02 group_member(3)
Pages that refer to this page: getgroups(2), getgrouplist(3)