md_get_uint16be
md_get_uint16be(mbp, &rrp->rr_type);
md_get_uint16be(mbp, &rrp->rr_class);
md_get_uint16be(mbp, &rrp->rr_rdlength);
md_get_uint16be(mbp, &rpid);
md_get_uint16be(mbp, &ofr);
md_get_uint16be(mbp, &rpid); /* QDCOUNT */
md_get_uint16be(mbp, &rqp->nr_rpancount);
md_get_uint16be(mbp, &rqp->nr_rpnscount);
md_get_uint16be(mbp, &rqp->nr_rparcount);
int md_get_uint16be(mdchain_t *, uint16_t *);