void AboutGameEvent P((void));
void ExitEvent P((int status));
char *DefaultFileName P((char *));
-ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar));
+ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar, Boolean captureOwn));
void UserMoveEvent P((int fromX, int fromY, int toX, int toY, int promoChar));
void DecrementClocks P((void));
char *TimeString P((long millisec));