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From: ricardo@eucmax.sim.ucm.es
Subject: linking C library functions in Ada DOS .EXE
Date: 1996/04/29
Message-ID: <1996Apr29.154124@eucmax>#1/1
X-Deja-AN: 152044564
organization: Universidad Complutense de Madrid
newsgroups: comp.lang.ada
Date: 1996-04-29T00:00:00+00:00
List-Id: <comp.lang.ada>


        Hello, I'm writing a program that accesses to Video RAM in PC,
and I have a problem when linking some C routines with the Ada main
program. The problem is that to get access to PC I/O ports and BIOS
functions I have written three functions in C which I use as gateways
between Ada and system level. Both of C and Ada programs compile right,
but when I run gnatbind I get a message that states that int86, inportw
and outportw functions are not found. My question is:

How can I tell gnatbind (or gcc, I'm not sure which of both) to include
    the C library functions when calling C?

The GNAT version I'm using is 2.06 for DOS. Thanks in advance.

                                                Ricardo Palomares.