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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.

Portability

not ANSI, not POSIX


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