pru_peeraddr
error = pru_peeraddr(so, m);
.pru_peeraddr = uipc_peeraddr,
.pru_peeraddr = uipc_peeraddr,
.pru_peeraddr = ether_frm_peeraddr,
.pru_peeraddr = pfkeyv2_peeraddr,
.pru_peeraddr = route_peeraddr,
.pru_peeraddr = in_peeraddr,
.pru_peeraddr = in_peeraddr,
.pru_peeraddr = in_peeraddr,
.pru_peeraddr = tcp_peeraddr,
.pru_peeraddr = tcp_peeraddr,
.pru_peeraddr = in_peeraddr,
.pru_peeraddr = in6_peeraddr,
.pru_peeraddr = in6_peeraddr,
.pru_peeraddr = in6_peeraddr,
return (*so->so_proto->pr_usrreqs->pru_peeraddr)(so, addr);
int (*pru_peeraddr)(struct socket *, struct mbuf *);