help arduino to arduino ethernet udp remote

PaulS:

example programming ?

To do what?

Sorry for the bad English.
I want to do is keep going on the project.
but did it help example programs.
ENJ28C60 set is not an issue for me and 5100.

udp_read and udp_send'm confused.

I want a simple coding associated with them if possible.

Thank you very much.