add_bg_result
add_bg_result(q->w, q, buf, UB_NOERROR, why_bogus, was_ratelimited);
add_bg_result(w, q, NULL, UB_SYNTAX, NULL, 0);
add_bg_result(w, q, w->back->udp_buff, UB_NOERROR, NULL, 0);
add_bg_result(w, q, w->back->udp_buff, UB_NOERROR, NULL, 0);
add_bg_result(w, q, NULL, UB_NOMEM, NULL, 0);
add_bg_result(q->w, q, buf, UB_NOERROR, why_bogus, was_ratelimited);
add_bg_result(w, q, NULL, UB_SYNTAX, NULL, 0);
add_bg_result(w, q, w->back->udp_buff, UB_NOERROR, NULL, 0);
add_bg_result(w, q, w->back->udp_buff, UB_NOERROR, NULL, 0);
add_bg_result(w, q, NULL, UB_NOMEM, NULL, 0);