ahuff.h

数据压缩Huffman算法

struct AHuffTree
	{
	long private;
	};

struct AHuffInfo
	{
	struct BitIOInfo * BII;
	struct AHuffTree * Tree;
	};

extern struct AHuffInfo * AHuff_Init(struct BitIOInfo * inBII,long inNumSymbols);
extern void AHuff_CleanUp(struct AHuffInfo *AHI);

extern void __regargs __inline AHuff_EncodeC(struct AHuffInfo *AHI,long c);
extern long AHuff_DecodeC( struct AHuffInfo *AHI );
extern void AHuff_UpdateModel( struct AHuffInfo *AHI , long c );

extern void AHuff_InitializeTree( struct AHuffInfo *AHI );
extern void AHuff_HalveTree( struct AHuffInfo *AHI );