with libc's version.
lpd: use getopt(3), err(3), add usage(), allow specification of a port #
on the command line as the documentation suggested for more than 10 years.
PR: docs/3290
having a hosts.lpd(5) manpage and some references to it from
within lpd(8) might help here. Close PR docs/1277
Submitted by: andreas@knobel.gun.de (Andreas Klemm)
surprising how many trivial errors there have been... :-)
Some more cleanup is needed, but i'd like to separate the Lite2 changes
from other work, that's why this goes into a different commit.
People with serial printers should see whether i have broken the stty-
style printcap options (i hope not).
Inspired by: Sergey Shkonda <serg@bcs1.bcs.zaporizhzhe.ua>
