carp_header
struct carp_header ch;
struct carp_header *ch_ptr;
ch_ptr = (struct carp_header *)(ip + 1);
ch_ptr = (struct carp_header *)(ip6 + 1);
struct carp_header *, int, sa_family_t);
struct carp_header *);
struct carp_header *ch;
ch = (struct carp_header *)(mtod(m, caddr_t) + iplen);
struct carp_header *ch;
ch = (struct carp_header *)(mtod(m, caddr_t) + *offp);
carp_proto_input_c(struct ifnet *ifp, struct mbuf *m, struct carp_header *ch,
struct carp_header *ch)