gidlist 500 ext/posix/posix.c gid_t gidlist[NGROUPS_MAX]; gidlist 506 ext/posix/posix.c if ((result = getgroups(NGROUPS_MAX, gidlist)) < 0) { gidlist 514 ext/posix/posix.c add_next_index_long(return_value, gidlist[i]);