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From: "David C. Hoos" <david.c.hoos.sr@ada95.com>
Newsgroups: comp.lang.ada
References: 
 <b9jni3$mh0$1@news.onet.pl><20030511004621.63e7fbd9.david@realityrift.com>
 <b9lolp$1mnf$1@ns.felk.cvut.cz>
Subject: Re: C binding issue
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Date: Sun, 11 May 2003 14:01:55 -0500
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"Sergey Koshcheyev" <serko84@hotmail.com> wrote in message
news:b9lolp$1mnf$1@ns.felk.cvut.cz...
>
> "David Holm" <david@realityrift.com> wrote in message
> news:20030511004621.63e7fbd9.david@realityrift.com...
> > Something like this if I'm not mistaken (been a while since I used
> callbacks in Ada):
> >
> > type size_t_ptr is access all Interfaces.C.size_t;
> > type Lua_Chunkreader_Proc is access function
> >    (L : Lua_State_Type; Ptr : System.Address; Sz : size_t_ptr) return
> >    Interfaces.C.Strings.chars_ptr;
> >
> >
> > //David Holm
>
> I think it is possible to just use an out parameter of type size_t,
instead
> of complicating matters with pointers. Or is there some subtle problem
with
> this approach?
Out mode parameters are not allowed for functions.
>
> Sergey.
>
>
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>