inportw

Syntax

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

Description

Read a single 16-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 through the port.

Portability

ANSI/ISO C	No
POSIX	No