ref: 6e6beff85d3f2d71c4e1d92d1f2091d01c7d5c34
dir: /sys/src/games/mines/fns.h/
void LeftClick(Point); void RightClick(Point); void DrawButton(int); void InitMineField(void); void GhostInit(void); void GhostMode(void); void GhostReset(int); int GhostCheck(Point);