_php_stream_cast  489 main/php_streams.h PHPAPI int _php_stream_cast(php_stream *stream, int castas, void **ret, int show_err);
_php_stream_cast  492 main/php_streams.h #define php_stream_can_cast(stream, as)	_php_stream_cast((stream), (as), NULL, 0)
_php_stream_cast  493 main/php_streams.h #define php_stream_cast(stream, as, ret, show_err)	_php_stream_cast((stream), (as), (ret), (show_err))