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JHUFF.H
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C/C++ Source or Header
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1993-02-04
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994b
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27 lines
typedef struct
{
unsigned bit0,bit1; // 0-255 is a character, > is a pointer to a node
} huffnode;
extern long counts[256];
extern huffnode nodearray[256];
void CountBytes (unsigned char huge *start, long length);
void Huffmanize (void);
void OptimizeNodes (huffnode *table);
long HuffCompress (unsigned char huge *source, long length,
unsigned char huge *dest);
void HuffExpand (unsigned char huge *source, unsigned char huge *dest,
long length,huffnode *hufftable);
void RLEWExpand (unsigned huge *source, unsigned huge *dest,long length,
unsigned rlewtag);
long RLEWCompress (unsigned huge *source, long length, unsigned huge *dest,
unsigned rlewtag);
void RLEBExpand (unsigned char huge *source, unsigned char huge *dest,
long length, unsigned char rlebtag);
long RLEBCompress (unsigned char huge *source, long length,
unsigned char huge *dest, unsigned char rlebtag);
long CarmackCompress (unsigned far *source,long length,
unsigned far *dest);