extern void ListGame(void);
extern void ShowMessage(char *s);
extern void ClearScreen(void);
-extern void gotoXY(short x, short y);
-extern void ClearEoln(void);
-extern void DrawPiece(short sq);
-extern void UpdateClocks(void);
extern void DoDebug(void);
extern void DoTable(short table[NO_SQUARES]);
extern void ShowPostnValues(void);