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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_400
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428_02
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compress.h
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1994-03-13
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784b
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38 lines
/*
** compress.h
**
** Pictor, Version 1.51, Copyright (c) 1992-94 SoftCircuits
** Redistributed by permission.
*/
#ifndef COMPRESS_H
#define COMPRESS_H
#include <stdio.h> /* for FILE definition */
typedef unsigned char BYTE;
typedef unsigned int WORD;
typedef struct _NODE {
BYTE c; /* character value */
WORD freq; /* occurances */
struct _NODE *child0; /* bit 0 child node */
struct _NODE *child1; /* bit 1 child node */
struct _NODE *parent; /* parent node */
} NODE;
/* compress.c */
NODE *gettree(FILE *);
WORD writetree(NODE *,BYTE *);
WORD compress(BYTE *,WORD,BYTE *,NODE *);
/* uncomp.c */
NODE *readtree(BYTE *);
void uncompress(BYTE *,WORD,BYTE *,NODE *);
/* freetree.c */
void freetree(NODE *);
#endif