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Date: Thu, 8 Nov 2001 17:30:05 -0500 (EST)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
Cc: freebsd-current@FreeBSD.ORG
Subject: Re: malloc.h
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<<On Thu, 8 Nov 2001 22:59:15 +0100, Joerg Wunsch <j@uriah.heep.sax.de> said:

> Well, no.  Solaris uses #if (__STDC__-1==0) only in connection with
> other conditions in the same #if part.  Otherwise, they use a simple
> #ifdef __STDC__ as well.

(FOO - 1 == 0) is the traditional-cpp way of saying `defined(FOO)', in
the restricted case of FOO is defined to be zero, one, or the empty
string (parsed the same as zero).

-GAWollman


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