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From: Robert Dewar <robert_dewar@my-dejanews.com>
Subject: Re: Accessing C macro constants from Ada95
Date: 1999/04/12
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Date: 1999-04-12T00:00:00+00:00
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In article <7eqoj2$r27$1@pegasus.csx.cam.ac.uk>,
  mgk25@cl.cam.ac.uk (Markus Kuhn) wrote:

> Ada does indeed have nice facilities to access functions
> and variables in C object files, but what has been
> completely forgotten is that
> under C, traditionally a very significant part of the API
> comes in the form of numeric macro constants defined in
> *.h files.

Note incidentally that there is nothing to stop a given
compiler from implementing:

   x : constant Int;
   pragma Import (C, X, "header.h/X");

or somesuch, but I see no practical way at all to
standardize such a beast as part of the Ada standard.


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