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From: tmoran@bix.com
Subject: Re: Parallel Port
Date: 2000/03/21
Message-ID: <auSB4.167$2K6.15129@news.pacbell.net>#1/1
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References: <38D7691B.4E5F4177@shom.fr>
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 21 Mar 2000 14:13:26 PST)
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Newsgroups: comp.lang.ada
Date: 2000-03-21T00:00:00+00:00
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>Is there any library with such outportb function in the ada world ...
  Lots.  No single one is standard for the simple reason that many
systems do their IO in different ways than Intel.
  In MS VC++ there are routines _inp and _outp that you should be
able to use with the declarations:
  function inp(port:integer) return integer;
  pragma import(C, inp, "_inp");
  procedure outp(port:integer; value:integer);
  pragma import(C, outp, "_outp");
and you should link with the appropriate MSVC++ library.
>From the Help:
LIBC.LIB Single thread static library, retail version
LIBCMT.LIB Multithread static library, retail version
MSVCRT.LIB Import library for MSVCRT.DLL, retail version

As has been noted, Microsoft's NT and 2000 probably will not allow
this but it does appear to work in W95.