From: "H.Shiozaki" <hshiozaki AT nifty DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: IO_Port Access in DJGPP + Windows 2000 + GIVEIO.SYS
Date: Sun, 29 Sep 2002 19:21:08 +0900
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To: djgpp AT delorie DOT com
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Please Help me.
--------------
I found and install GIVEIO.SYS in my Win_2k PC.
And there is a sample "testio.c" with GIVEIO.SYS.
I compile it using "cygwin", and work it fine.
 #include <windows.h> is need to use giveio.sys,
But "cygwin" do not support hardware Interrupt.
I wont to make a program that need
1) do Direct IO and 2) Hardware Interrupt
But in DJGPP, there is not windows.h
below is a some part of testio.c
-------------
include <stdio.h>
#include <math.h>
#include <conio.h>
#include <windows.h>
int main()
{
    HANDLE h;
    h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL,
        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if(h == INVALID_HANDLE_VALUE) {
        printf("Couldn't access giveio device\n");
        return -1;
    }
	CloseHandle(h);
    // io operation can do in Win_2k.
}
--------------
Please someone help me, how to solve.
Regard.
H.Shiozaki