rpz_find_synthesized_rrset
rrset = rpz_find_synthesized_rrset(rr_type, node, 0);
rrset = rpz_find_synthesized_rrset(qinfo->qtype, raddr, 1);
rrset = rpz_find_synthesized_rrset(qi->qtype, data, 1);
rrset = rpz_find_synthesized_rrset(rr_type, node, 0);
rrset = rpz_find_synthesized_rrset(qinfo->qtype, raddr, 1);
rrset = rpz_find_synthesized_rrset(qi->qtype, data, 1);