_php_stream_truncate_set_size  430 main/php_streams.h PHPAPI int _php_stream_truncate_set_size(php_stream *stream, size_t newsize);
_php_stream_truncate_set_size  431 main/php_streams.h #define php_stream_truncate_set_size(stream, size)	_php_stream_truncate_set_size((stream), (size))