lzw.h

来自「站长96年写的一个Internet上用的股票行情、分析、交易、资讯程序源码」· C头文件 代码 · 共 30 行

#include <stdio.h>
typedef struct tag_bit_file
{
	FILE *file;
	unsigned char mask;
	int rack;
	int pacifier_counter;
        char *buffer;
        unsigned int ptr;
}BIT_FILE;

extern BIT_FILE *OpenInputBitFile(char *filename);
extern BIT_FILE *OpenOutputBitFile(char *filename);
extern void     OutputBit(BIT_FILE *bit_file,int bit);
extern void     OutputBits(BIT_FILE *bit_file,unsigned long code,int count);
extern int InputBit(BIT_FILE *bit_file);
extern unsigned long InputBits(BIT_FILE *bit_file,int count);
extern void     CloseInputBitFile(BIT_FILE *bit_file);
extern void     CloseOutputBitFile(BIT_FILE *bit_file);
extern void     FilePrintBinary(FILE *file,unsigned int code,int bits);
extern void fatal_error(char *fmt);

//void CompressFile(FILE *input,BIT_FILE *output);
//void ExpandFile(BIT_FILE *input,FILE *output);

void CompressFile(char *input,char *output);
void CompressMemFile(char *ptr,long len,char *output);

void ExpandFile(char *input,char *output);