ftp.nice.ch/pub/next/connectivity/protocol/GateKeeper.3.0.Beta.4.s.tar.gz#/GateKeeper.3.0.Beta.4.s/ppp/net

if_ppp.h
[View if_ppp.h] 
ppp-comp.h
[View ppp-comp.h] 
ppp_defs.h
[View ppp_defs.h] 
pppio.h
[View pppio.h] 
slcompress.h
[View slcompress.h] 
vjcompress.h
[View vjcompress.h] 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Marcel Waldvogel and Netfuture.ch.