PHP_LOCK_NB       197 ext/standard/file.c 	REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
PHP_LOCK_NB       357 ext/standard/file.c 	act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
PHP_LOCK_NB       986 main/streams/userspace.c 			Z_LVAL_P(zvalue) |= PHP_LOCK_NB;