void FadeOut(int);
void FadeCross(int);
void FadeCrossSaveBackbuffer();
+void FadeSetEnterMenu();
+void FadeSetLeaveMenu();
+void FadeSetStartItem();
+void FadeSetFromType(int);
+void FadeSetDisabled();
+void FadeSkipNextFadeIn();
+void FadeSkipNextFadeOut();
void ClearWindow();
void SetWindowBackgroundImageIfDefined(int);
void SetMainBackgroundImageIfDefined(int);
+void SetDoorBackgroundImageIfDefined(int);
+void SetWindowBackgroundImage(int);
void SetMainBackgroundImage(int);
void SetDoorBackgroundImage(int);
void SetPanelBackground();
void MarkTileDirty(int, int);
void SetBorderElement();
+void FloodFillLevel(int, int, int, short[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
+ int, int);
void SetRandomAnimationValue(int, int);
int getGraphicAnimationFrame(int, int);
int el2preimg(int);
int font2baseimg(int);
+int getBeltNrFromBeltElement(int);
+int getBeltNrFromBeltActiveElement(int);
+int getBeltNrFromBeltSwitchElement(int);
+int getBeltDirNrFromBeltElement(int);
+int getBeltDirNrFromBeltSwitchElement(int);
+int getBeltDirFromBeltElement(int);
+int getBeltDirFromBeltSwitchElement(int);
+int getBeltElementFromBeltNrAndBeltDir(int, int);
+int getBeltSwitchElementFromBeltNrAndBeltDir(int, int);
+
unsigned int InitRND(long);
void InitGraphicInfo_EM(void);
+void PlayMenuSoundExt(int);
void PlayMenuSound();
void PlayMenuSoundStereo(int, int);
+void PlayMenuSoundIfLoopExt(int);
void PlayMenuSoundIfLoop();
+void PlayMenuMusicExt(int);
void PlayMenuMusic();
void PlaySoundActivating();
void PlaySoundSelecting();