extern size_t dsi_stream_read (DSI *, void *, const size_t);
extern int dsi_stream_send (DSI *, void *, size_t);
extern int dsi_stream_receive (DSI *, void *, const size_t, size_t *);
+extern int dsi_disconnect(DSI *dsi);
#ifdef WITH_SENDFILE
extern ssize_t dsi_stream_read_file(DSI *, int, off_t off, const size_t len);