NAME getgrouplist - get list of groups to which a user belongs LIBRARY Standard C library ... libc , -lc ) SYNOPSIS #include int getgrouplist(const char * user , gid_t group , gi…getgrent_r (3), getgrgid (3), getgrnam (3), getgrouplist (3), putgrent (3), groupgetgrent_r (3), getgrgid (3), getgrnam (3), getgrouplist (3), putgrent (3), groupgetgrent_r (3), getgrgid (3), getgrnam (3), getgrouplist (3), putgrent (3), groupALSO getgid (2), getgroups (2), getgrouplist (3), group