extern long LoadUsedBrick(unsigned long );
extern long InitGrille(unsigned short );
extern void FreeGrille(void);
extern unsigned char *GetAdrColonneMap(long ,long );
extern unsigned char *GetAdrColonneCube(long ,long );
extern void GetShadow(short ,short ,short );
extern unsigned long CreateMaskGph(unsigned char *,unsigned char *);
extern void MixteMapToCube(unsigned char *);
extern void CopyMapToCube(void);
extern void InitBufferCube(void);
extern void DrawOverBrick(short ,short ,short );
extern void DrawOverBrick3(short ,short ,short );
extern void AffBrickBlock(long ,long ,long ,long ,long );
extern void AffGrille(void);
extern void IncrustGrm(short );