az_insert_rr
return az_insert_rr(z, rr, rr_len, dname_len, duplicate);
if(!az_insert_rr(z, rr, rr_len, dname_len, NULL)) {
return az_insert_rr(z, rr, rr_len, dname_len, NULL);
return az_insert_rr(z, rr, rr_len, dname_len, duplicate);
if(!az_insert_rr(z, rr, rr_len, dname_len, NULL)) {
return az_insert_rr(z, rr, rr_len, dname_len, NULL);