From owner-freebsd-hackers  Sun Apr 29  7:58:40 2001
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To: seebs@plethora.net (Peter Seebach)
Subject: Re: Port-related C++ question 
Cc: freebsd-hackers@FreeBSD.ORG
In-reply-to: Your message of "Sun, 29 Apr 2001 08:48:53 CDT."
		<200104291348.f3TDmrN12637@guild.plethora.net> 
References: <200104291348.f3TDmrN12637@guild.plethora.net>  
Date: Sun, 29 Apr 2001 08:58:27 -0600
From: Warner Losh <imp@harmony.village.org>
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In message <200104291348.f3TDmrN12637@guild.plethora.net> Peter Seebach writes:
: In message <20010428231807.G6731@lizzy.bugworks.com>, Jos Backus writes:
: >Yeah, I am just puzzled as to how this can build at all on other platforms
: >(Linux?), unless they don't define this variable.
: 
: Many of them probably have it as an external object, not a #define.  I'm
: still not sure the code makes any sense.

The standards allow for it to be a #define (just like they allow errno 
to be a #define), so code that uses like the code that was posted
earlier is not strictly conforming.

Warner

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