ref: 1d0f8a7e512e5abfea9c5d2fdf2fb4c05efc720b
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);