// Some of this code was obtained from http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1031963460&id=1043284385
#ifdef WINDOWS
extern "C"
{
	#include <windows.h> 
	
	void clrscr()
	{
	    	COORD                       coordScreen = { 0, 0 };
	    	DWORD                       cCharsWritten;
	    	CONSOLE_SCREEN_BUFFER_INFO  csbi;
		DWORD                       dwConSize;
		HANDLE                      hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
		GetConsoleScreenBufferInfo(hConsole, &csbi);
		dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
		FillConsoleOutputCharacter(hConsole, TEXT(' '), 
 				dwConSize, coordScreen, &cCharsWritten);
	     	GetConsoleScreenBufferInfo(hConsole, &csbi);
		FillConsoleOutputAttribute(hConsole, csbi.wAttributes, 
		 		dwConSize, coordScreen, &cCharsWritten);
		SetConsoleCursorPosition(hConsole, coordScreen);
	}
}
#elif defined(NIX)

void clrscr()
{
	system("clear");
}
#elif defined(DOS)

void clrscr()
{
	system("cls");
}
#endif