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Subject: Re: 2.2.18 signal.h
To: root@chaos.analogic.com
Date: Fri, 15 Dec 2000 18:50:21 +0000 (GMT)
Cc: Franz.Sirl-kernel@lauterbach.com (Franz Sirl),
        andrea@suse.de (Andrea Arcangeli), mblack@csihq.com (Mike Black),
        linux-kernel@vger.kernel.org (linux-kernel@vger.kernel.or)
In-Reply-To: <Pine.LNX.3.95.1001215131538.1528B-100000@chaos.analogic.com> from "Richard B. Johnson" at Dec 15, 2000 01:34:41 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> 	void foo()
> 	{
> 	   extern int a;
> 	   if(a) goto a;
> 	   return;
> 	   a:
> 	   printf("%d\n", a);
> 	}
> 
> 	Both examples allow an extern declaration inside a function scope
> 	which is also contrary to any (even old) 'C' standards. 'extern'
> 	is always file scope, there's no way to make it otherwise.

extern in function scope is in original C. In fact its even _older_ than that
its in the B compiler too - although in B its 'extrn' not 'extern'.

Alan (yes I programmed in B)

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