UNIX talk and write source...

Fellows, Anyone know if and where the source code for UNIX talk and write (or the equivalent Linux) commands are to be found? Anyone have any terminal to terminal communication code that they've written that they wouldn't mind parting with? Jay oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo o )\ _. - ._.) = Jesse Lucas - jlucas4@capital.edu o 1 /. `- ' ( `--' : http://www.geocites.com/collegepark/7332 1 1 `- , ) - > ) \ : "I cut off their heads and, like heaps of grain,1 o (.' \) (.' -. = I piled them up." - Assyrian Ruler o oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo oo1oo