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// Some of this code was obtained from http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1031963460&id=1043284385#ifdef WINDOWSextern "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