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GROUP_MEMBER
Section: Linux Programmer's Manual (3)Updated: 2014-03-30
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NAME
group_member - test whether a process is in a groupSYNOPSIS
#include <unistd.h>int group_member(gid_t gid);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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
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