PHP_LOCK_NB       196 standard/file.c 	REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
PHP_LOCK_NB       356 standard/file.c 	act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);