icmp_error
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB,
icmp_error(m, ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG,
icmp_error(mcopy, ICMP_REDIRECT, ICMP_REDIRECT_HOST, redest.s_addr, 0);
void icmp_error(struct mbuf *, int, int, uint32_t, int);
icmp_error(mcopy, type, code, dest.s_addr, mtu);
icmp_error(m, ICMP_TIMXCEED, ICMP_TIMXCEED_INTRANS, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
icmp_error(m, type, code, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0);
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG,
icmp_error(args->m, ICMP_UNREACH, code, 0L, mtu);
icmp_error(*m0, ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG,
icmp_error(pfse->pfse_m, pfse->icmpopts.type,
icmp_error(mb, ICMP_UNREACH, ICMP_UNREACH_NEEDFRAG, 0, mtu);