ANSI fixes (two real bug fixes!), convert to struct dirent, cleanups

use stdarg.h, not varargs.h

fsync the mailbox file descriptor

fseek is correctly declared in <stdio.h>; do not re-declare it,
and especially not incorrectly.

tty_istrapsig is a function

delete get_date, just use strftime

delete get_date, just use strftime

SCCS munges %M%

written at Berkeley, use BSD copyright; lint, getopt(3)

from scratch; add Berkeley specific copyright notice

minor cleanups and lint; use strftime(3); Berkeley specific copyright

add Berkeley copyright notice

date and time created 91/01/19 17:17:44 by bostic

from set by sendmail -- don't reset it!

from scratch -- /bin/mail was a security problem, and not worth fixing

needs CRYPT now

delete kpasswdd from the set of compiled programs

delete data-stream encryption for the foreign sites (4.3-Reno)

delete data-stream encryption for the foreign sites (4.3-Reno)

use ifdef's that unifdef can understand

delete data-stream encryption for the foreign sites (4.3-Reno)

delete data-stream encryption for the foreign sites (4.3-Reno)

use ifdefs that unifdef understands

break out -x (encrypted sessions) with #ifdef CRYPT

break out -x (encrypted sessions) with #ifdef CRYPT