From owner-freebsd-security  Wed May 14 03:09:23 1997
Return-Path: <owner-security>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id DAA08147
          for security-outgoing; Wed, 14 May 1997 03:09:23 -0700 (PDT)
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id DAA08055
          for <freebsd-security@freebsd.org>; Wed, 14 May 1997 03:08:15 -0700 (PDT)
Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.5/8.6.9) id UAA06986; Wed, 14 May 1997 20:02:44 +1000
Date: Wed, 14 May 1997 20:02:44 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199705141002.UAA06986@godzilla.zeta.org.au>
To: bde@zeta.org.au, wosch@apfel.de
Subject: Re: Linux UID/GID 'Feature'
Cc: freebsd-security@freebsd.org, wollman@khavrinen.lcs.mit.edu
Sender: owner-security@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>__isctype in /usr/include/ctype.h return 0 if the argument
>is less than 0 or greater or equal than 256. So I don't see
>a real problem for FreeBSD.

Only depend on that if you want to write unportable software.
The < 0 case is slower under FreeBSD.

Bruce