extern int dsi_stream_send (DSI *, void *, size_t);
extern int dsi_stream_receive (DSI *, void *, const size_t, size_t *);
+#ifdef WITH_SENDFILE
+extern ssize_t dsi_stream_read_file(DSI *, int, off_t off, const size_t len);
+#endif
+
/* client writes -- dsi_write.c */
extern size_t dsi_writeinit (DSI *, void *, const size_t);
extern size_t dsi_write (DSI *, void *, const size_t);