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From: "Jonathan M. Bresler" <jmb>
Message-Id: <199705141955.MAA00844@hub.freebsd.org>
Subject: Re: Linux UID/GID 'Feature'
To: wosch@apfel.de (Wolfram Schneider)
Date: Wed, 14 May 1997 12:55:24 -0700 (PDT)
Cc: bde@zeta.org.au, wollman@khavrinen.lcs.mit.edu,
        freebsd-security@FreeBSD.ORG
In-Reply-To: <199705132116.XAA00653@campa.panke.de> from "Wolfram Schneider" at May 13, 97 11:16:19 pm
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Wolfram Schneider wrote:
> 
> >Another problem: isdigit(*p) is usually undefined if *p < 0.
> 
> What does usually means? There is no warning in the isdigit manpage.

	isdigit() and all the other string macros
	should be used with ascii charcters only.
	so (isascii(*p) && isdigit(*p))
	is the correct way to use isdigit()

	this may have changed with the introduction of runes.
jmb