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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Ada equivalent for C-pointer?
Date: 15 Jan 2005 17:11:40 +0000
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Date: 2005-01-15T17:11:40+00:00
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Nick Roberts <nick.roberts@acm.org> writes:

> I think the 'in out' mode would work with GNAT/GCC, but I'd suggest
> testing it to make sure. I suppose using the 'access' mode might be
> clearer, and it might be slightly more efficient.

with Interfaces.C;
function Wibble (Number: in out Interfaces.C.int) return Interfaces.C.int;
pragma Import(C,Wibble,"wibble");

smaug.pushface.org[4]$ gnatgcc wibble.ads
wibble.ads:2:18: functions can only have "in" parameters

-- 
Simon Wright                               100% Ada, no bugs.