optarg/optind moved to unistd.h

Mycroft says he gets a major speed improvement with this.
From: Charles Hannum <mycroft@NetBSD.ORG>

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

general cleanup, use new err(3) routines

fix args to dbopen so it doesn't fail.

off-by-one, from Craig Leres

update from LBL (Chris, Craig and Steve)

delete extra slash

too many args is a usage error

hash_open -> dbopen

don't need user.h anymore

convert from ndbm(3) to db(3) interface

ANSI

use DBM_SUFFIX; db(3) now appends ".db" when old interface is used.

integrate Margo Seltzer's hashing package instead of ndbm
break out kernel nlist stuff into separate file.

BSD_LINE_MAX -> POSIX2_LINE_MAX

LINE_MAX -> BSD_LINE_MAX; errno declared in errno.h

HP300 fixes from Mike Hibler

fix copyright notice

string.h is ANSI C include file

date and time created 90/03/07 14:45:51 by marc