void BackToFront();
void FadeToFront();
void ClearWindow();
+int getFontWidth(int, int);
+int getFontHeight(int, int);
+void DrawInitText(char *, int, int);
void DrawTextF(int, int, int, char *, ...);
void DrawTextFCentered(int, int, char *, ...);
void DrawText(int, int, char *, int, int);
unsigned int CloseDoor(unsigned int);
unsigned int GetDoorState(void);
unsigned int MoveDoor(unsigned int);
+void DrawSpecialEditorDoor();
+void UndrawSpecialEditorDoor();
int ReadPixel(Drawable, int, int);
void CreateToolButtons();