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inportl
=======

Syntax
------

     #include <pc.h>
     
     unsigned long inportl(unsigned short _port);

Description
-----------

This function reads a single 32-bit I/O port.

This function is provided as an inline assembler macro, and will be
optimized down to a single opcode when you optimize your program.

Return Value
------------

The value returned from the port.