+ Z_RecordComposition *piggyback_to_RecordComposition(
+ ODR odr, Odr_int result_set_size, Z_SearchRequest *sreq);
+
+ void piggyback(int smallSetUpperBound,
+ int largeSetLowerBound,
+ int mediumSetPresentNumber,
+ int result_set_size,
+ int &number_to_present);
+