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From: jdemby@voicenet.com (John Demby)
Subject: Re: Implementing pointers to pointers in Ada
Date: 1996/09/10
Message-ID: <512mt3$ret@goodnews.voicenet.com>#1/1
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references: <Pine.GSO.3.93.960909230243.7142A-100000@firefly.sd.monash.edu.au>
organization: Voicenet - Internet Access - (215)674-9290
newsgroups: comp.lang.ada
Date: 1996-09-10T00:00:00+00:00
List-Id: <comp.lang.ada>


Vasilios Tourloupis <vasilios@insect.sd.monash.edu.au> wrote:

>Dear Ada users,

>As the title suggests, how would I go about implementing pointers to
>pointers in Ada?
>For example, I have declared the following variable in C:
>    unsigned **a;
>How would this be expressed in Ada terms?

in general :

type unsigned is blah;
type unsigned_star is access unsigned;
type unsigned_star_star is access unsigned_star;

if you really need to make a pointer to a pointer to an unsigned
the package interfaces.c should have an type which is equivalent
to C's unsigned.

happy computing

John