az_find_domain
az_find_domain(z, &qinfo, &node_exact, &node);
az_find_domain(z, &qinfo, &node_exact, &node);
az_find_domain(z, qinfo, &node_exact, &node);
az_find_domain(z, &qinfo, &node_exact, &node);
az_find_domain(z, &qinfo, &node_exact, &node);
az_find_domain(z, qinfo, &node_exact, &node);