icmp_nextmtu
if (icp->icmp_nextmtu != 0)
ntohs(icp->icmp_nextmtu));
mtu = ntohs(icmp4->icmp_nextmtu);
pf_patch_16(pd, &icmp4->icmp_nextmtu, htons(mtu));
u_long mtu = ntohs(icp->icmp_nextmtu); /* Why a long? IPv6 */
icp->icmp_nextmtu = htons(destmtu);
mtu = ntohs(icp->icmp_nextmtu);
mtu = ntohs(icp->icmp_nextmtu);
mtu = (u_int)ntohs(icp->icmp_nextmtu);
tp->t_pmtud_nextmtu = icp->icmp_nextmtu;
icmp.icmp_nextmtu = tp->t_pmtud_nextmtu;