php_stream_supports_lock  899 ext/dba/dba.c  		if (!php_stream_supports_lock(info->lock.fp)) {
php_stream_supports_lock  610 ext/standard/file.c 	if (flags & LOCK_EX && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
php_stream_supports_lock 1629 ext/standard/streamsfuncs.c 	if (!php_stream_supports_lock(stream)) {