+ \param estimated_hit_count whether hit count is an estimate
+ \param partial_resultset whether result is only partially evaluated
+*/
+YAZ_EXPORT
+ZEBRA_RES zebra_search_RPN_x(ZebraHandle zh, ODR o, Z_RPNQuery *query,
+ const char *setname, zint *hits,
+ int *estimated_hit_count,
+ int *partial_resultset);
+
+
+/** \brief Search using RPN Query structure (from ASN.1)
+ \param zh session handle
+ \param o ODR handle
+ \param query RPN query using YAZ structure
+ \param setname name of resultset
+ \param hits number of hits is returned