void resultSetSortSingle (ZebraHandle zh, NMEM nmem,
ZebraSet sset, RSET rset,
Z_SortKeySpecList *sort_sequence, int *sort_status);
void resultSetSortSingle (ZebraHandle zh, NMEM nmem,
ZebraSet sset, RSET rset,
Z_SortKeySpecList *sort_sequence, int *sort_status);