Unix AppleTalk Bridge
	gw.h		gateway definitions
	uab.c		gateway driver
	bridge_desc	bridge descriptions
	desc.ms		general description

DDP/RTMP/ZIP
	ddprouter.c	ddp router
	ddpsvcs.c	ddp services
	rtmp.c		rtmp routines

DDP PORT management
	ddpport.c	ddp port management
	ddpport.h	ddp port definitions
	node.h		lap node description
	if_desc.h	(lap) interface descriptions

EtherTalk (ELAP)
	aarp.c		aarp routines
	aarp_defs.h	aarp specific header
	aarp.h		aarp general header
	ethertalk.c	ethertalk routines
	ethertalk.h	ethertalk definitions

Async AppleTalk (ASYNC)
	asyncatalk.c	async routines

Process (de)multiplexing
	mpxddp.h	ddp to local process (de)multiplexing
	kip_mpx.c	ddp to local process via modified kip scheme

Protocol Interfaces
	proto_intf.h	protocol interface
	dlip.c		dli: protocol interface
	snitp.c		snit: protocol interface

Auxillary routines:
	hash.c		hash routines
	hash.h		hash routine header
	log.c		log routines
	log.h		logging header

