Fix f_extproc() routine so that it works.

add 1994 copyright

prettyness police

4.4BSD snapshot (revision 8.1); add 1993 to copyright

use C library err/warn routines; make GCC 2 happy

stty dumps core if you try to set the ispeed (ex: stty ispeed 0)
From: John T Kohl <jtkohl@kolvir.blrc.ma.us>

NULL-terminate cchar arrays for Chris; better information hiding

distribute the rest of the main loop into the modes and cchars modules
bsearch the cchars arrays, minor cleanups

break out rest of keywords into function table that can be bsearch'd
date and time created 91/06/05 08:04:36 by bostic