ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov);
ZebraSet resultSetGet (ZebraHandle zh, const char *name);
ZEBRA_RES resultSetAddRPN (ZebraHandle zh, NMEM m, Z_RPNQuery *rpn,
ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov);
ZebraSet resultSetGet (ZebraHandle zh, const char *name);
ZEBRA_RES resultSetAddRPN (ZebraHandle zh, NMEM m, Z_RPNQuery *rpn,