ref: eb76dc48cdcfb97b1d0f42e7f5f498d914dc8e71
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);