unpack_inaddr
unpack_inaddr(p, &rr->rr.in_a.addr);
static int unpack_inaddr(struct asr_unpack *, struct in_addr *);
unpack_inaddr(p, &rr->rr.in_a.addr);
unpack_inaddr(p, &rr->rr.in_a.addr);
static int unpack_inaddr(struct unpack *, struct in_addr *);