+ZOOM_API(int)
+ZOOM_query_sortby(ZOOM_query s, const char *criteria);
+
+/* ----------------------------------------------------------- */
+/* scan */
+ZOOM_API(ZOOM_scanset)
+ZOOM_connection_scan (ZOOM_connection c, const char *startterm);
+
+ZOOM_API(const char *)
+ZOOM_scanset_term(ZOOM_scanset scan, size_t pos,
+ int *occ, int *len);
+
+ZOOM_API(size_t)
+ZOOM_scanset_size(ZOOM_scanset scan);
+
+ZOOM_API(void)
+ZOOM_scanset_destroy (ZOOM_scanset scan);
+
+ZOOM_API(const char *)
+ZOOM_scanset_option_get (ZOOM_scanset scan, const char *key);