inp, outp function with Win32?

Dear Experts:

I'm trying to convert old 16bit windows program to 32bit windows one. I used this program to control ADC/DAC cards.
So there are lots of inp and outp function to read and write
to ports to control these interface cards.
But when I tried to convert this program to 32bit one using
C language(Borlandc++4.5 , 5.0 but not C++), I got error messages that in 32bit mode, there are no inp and outp function.
What should I do to remedy this problem?
Is there any compatible function or other way to use this
functions in 32bit programming?
Thank you in advance.
slumberAsked:
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fasterCommented:
Under win32, you can not directly access the port in applications.  So you have to write a vxd (device driver) for your task.  You can get microsoft DDK for detail as how to write a vxd.
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