In article <Pine.NEB.4.60.0405211310340.8936@wojtek.dom>,
	Wojciech Puchar <wojtek@tensor.3miasto.net> writes:
> can i find anywhere such a thing? for beginner that wants to write program 
> communicating through ethernet but without TCP/IP

"man bpf" describes the API. If you are searching for an example you could
have a look at the sources of the "pcap" library or "rp-pppoe" package.

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/