ICMP_MASKREQ
case ICMP_MASKREQ:
icmp_type = ICMP_MASKREQ;
(1 << ICMP_MASKREQ))
case ICMP_MASKREQ:
(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
{ "maskreq", ICMP_MASKREQ },