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,