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From: lutz@iks-jena.de (Lutz Donnerhacke)
Newsgroups: comp.lang.ada
Subject: Re: Ada Address = C pointer ?
Date: Fri, 26 Oct 2001 18:09:12 +0000 (UTC)
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* M. A. Alves wrote:
>Are these equivalences compiler(GNAT)-specific or of the language?
>
>  Ada                   C
>  -----------------------
>  Address          void *
>  Address          char *
>  Null_Address       NULL

GNAT. But pragma (Convention, C, ...); does what you expect.

>If they are of the language, where on the ARM it says so?

The char_p equivalent can be found as Interfaces.C.Strings.chars_p;
The void_p equivalent can be found as
  type void_p is access all Storage_Array;
  pragma (Convention, C, void_p); -- for void_p'Size use chars_p'Size;