void HandleChooseLevelSet(int, int, int, int, int);
void HandleChooseLevelNr(int, int, int, int, int);
void HandleHallOfFame(int, int, int, int, int);
+void HandleScoreInfo(int, int, int, int, int);
void HandleInfoScreen(int, int, int, int, int);
void HandleSetupScreen(int, int, int, int, int);
void HandleTypeName(Key);
void HandleGameActions(void);
+void HandleScreenGadgetKeys(Key);
void CreateScreenGadgets(void);
void FreeScreenGadgets(void);