mesh_state_add_cb
if(!mesh_state_add_cb(s, edns, buf, cb, cb_arg, qid, qflags)) {
int mesh_state_add_cb(struct mesh_state* s, struct edns_data* edns,
if(!mesh_state_add_cb(s, edns, buf, cb, cb_arg, qid, qflags)) {
int mesh_state_add_cb(struct mesh_state* s, struct edns_data* edns,