protocols revision 37 
137Srgrimes#
237Srgrimes# Internet (IP) protocols
337Srgrimes#
437Srgrimes#	@(#)protocols	5.1 (Berkeley) 4/17/89
537Srgrimes#
637Srgrimesip	0	IP		# internet protocol, pseudo protocol number
737Srgrimesicmp	1	ICMP		# internet control message protocol
837Srgrimesggp	3	GGP		# gateway-gateway protocol
937Srgrimestcp	6	TCP		# transmission control protocol
1037Srgrimesegp	8	EGP		# exterior gateway protocol
1137Srgrimespup	12	PUP		# PARC universal packet protocol
1237Srgrimesudp	17	UDP		# user datagram protocol
1337Srgrimeshmp	20	HMP		# host monitoring protocol
1437Srgrimesxns-idp	22	XNS-IDP		# Xerox NS IDP
1537Srgrimesrdp	27	RDP		# "reliable datagram" protocol
16