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   group_member    ( 3 )

проверить, находится ли процесс в группе (test whether a process is in a group)

Имя (Name)

group_member - test whether a process is in a group

Синопсис (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

Описание (Description)

The group_member() function tests whether any of the caller's
       supplementary group IDs (as returned by getgroups(2)) matches
       gid.

Возвращаемое значение (Return value)

The group_member() function returns nonzero if any of the
       caller's supplementary group IDs matches gid, and zero otherwise.

Стандарты (Conforming to)

This function is a nonstandard GNU extension.

Смотри также (See also)

getgid(2), getgroups(2), getgrouplist(3), group(5)