extern unsigned long HQ_MixSample(short ,short ,short ,short ,short );
extern void HQ_StopSample(void);
extern void HQ_StopOneSample(short );
extern short GiveBalance(short ,short ,long ,unsigned long *,unsigned long *);
extern void HQ_3D_MixSample(short ,short ,short ,short ,short ,short );
extern void HQ_ChangeBalanceSamples(short ,short );
extern void GereAmbiance(void);
extern void FadePal(unsigned char ,unsigned char ,unsigned char ,unsigned char *,short );
extern void FadeToBlack(unsigned char *);
extern void WhiteFade(void);
extern void FadeWhiteToPal(unsigned char *);
extern void FadeToPal(unsigned char *);
extern void SetBlackPal(void);
extern void FadePalToPal(unsigned char *,unsigned char *);
extern void FadeToRed(unsigned char *);
extern void FadeRedToPal(unsigned char *);
extern void FadeMusicMidi(unsigned long );
extern void StopMusicMidi(void);
extern void PlayMusic(short );
extern void PlayMidiFile(short );