IPPROTO_ETHERIP   252 netinet/in_proto.c { SOCK_RAW,   &inetdomain,    IPPROTO_ETHERIP, PR_ATOMIC|PR_ADDR,
IPPROTO_ETHERIP   371 netinet/ip_ether.c 		ipo->ip_p = IPPROTO_ETHERIP;
IPPROTO_ETHERIP   391 netinet/ip_ether.c 		ip6->ip6_nxt = IPPROTO_ETHERIP;