From owner-freebsd-current  Sun Apr 29 17:28:12 2001
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Date: Mon, 30 Apr 2001 10:26:47 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: John Polstra <jdp@polstra.com>
Cc: current@FreeBSD.ORG, david@catwhisker.org
Subject: Re: World is broken...
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On Sun, 29 Apr 2001, John Polstra wrote:

> It's because words.c uses <stand.h> instead of <ctype.h>, and
> <stand.h> is missing the #define for isalnum().  I imagine adding
> something like this to <stand.h> would fix it:
> 
> #define	isalnum(c)	(isalpha(c) || isdigit(c))

That would be broken, since it would make isalnum() evaluate its arg
more than once, but the other ctype macros in <libstand.h> and
<sys/ctype.h> already have this quality, although libstand.3 claims
that these functions have the same behaviour as the non-broken libc
ones.

Bruce


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