ref: 512ed418b64e0aed4ef0bbf3730717a06fcd1bec
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);