REQUIRE_ORDER 163 libglibc/getopt.c REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER REQUIRE_ORDER 313 libglibc/getopt.c ordering = REQUIRE_ORDER; REQUIRE_ORDER 317 libglibc/getopt.c ordering = REQUIRE_ORDER; REQUIRE_ORDER 455 libglibc/getopt.c if (ordering == REQUIRE_ORDER)