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From: Ted Dennison <dennison@telepath.com>
Newsgroups: comp.lang.ada
Subject: Re: Function returning "Boolean" in a binding
Date: Sat, 23 Dec 2000 15:36:01 GMT
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In article <977543301.615948@cachalote.ip.pt>,
  antonio.vargas@clix.pt wrote:

   type Xt_Work_Proc is access function (Client_Data : in Xt_Pointer)
>       return Boolean;
>    pragma Convention (C, Xt_Work_Proc);
>
> But if I change  the return type form  "Boolean" to "Interfaces.C.Int"
> it compiles.  Shouldn't the compiler  make an automatic conversion
> from Boolean(Ada side) to C.int  (C side) ?.

Why? How does the compiler know that's what you want Boolean to map to?
You could want to use it for a C "char" for all it knows.


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