void CopyRectangle P((AnimNr anr, int srcBuf, int destBuf, int srcX, int srcY, int width, int height, int destX, int destY));
void SetDragPiece P((AnimNr anr, ChessSquare piece));
void DragPieceMove P((int x, int y));
-void DrawArrowHighlight P((int fromX, int fromY, int toX,int toY));
-Boolean IsDrawArrowEnabled P((void));
+void DrawBorder P((int x, int y, int type));
+void FlashDelay P((int flash_delay));
+void SwitchWindow P((void));
extern int damage[2][BOARD_RANKS][BOARD_FILES];