#include <windows.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <iostream>
#include <fstream>

// maximum mumber of lines the output console should have
static const WORD MAX_CONSOLE_LINES = 500;

void RedirectIOToConsole()
{
	int hConHandle;
	long lStdHandle;
	CONSOLE_SCREEN_BUFFER_INFO coninfo;
	FILE *fp;

	// allocate a console for this app
	AllocConsole();

	// set the screen buffer to be big enough to let us scroll text

	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),	&coninfo);
	coninfo.dwSize.Y = MAX_CONSOLE_LINES;
	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),	coninfo.dwSize);

	// redirect unbuffered STDOUT to the console

	lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
	fp = _fdopen( hConHandle, "w" );
	*stdout = *fp;
	setvbuf( stdout, NULL, _IONBF, 0 );

	// redirect unbuffered STDIN to the console

	lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
	fp = _fdopen( hConHandle, "r" );
	*stdin = *fp;
	setvbuf( stdin, NULL, _IONBF, 0 );

	// redirect unbuffered STDERR to the console

	lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
	fp = _fdopen( hConHandle, "w" );
	*stderr = *fp;
	setvbuf( stderr, NULL, _IONBF, 0 );

	// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog point to console as well

	ios::sync_with_stdio();
}

/* Sample of usage :
void main() 
{
	RedirectIOToConsole();
	cout << "Hello World!" << std::endl;
}
*/