nbsp;          lzw->lp_suffix[ hash ] != lzw->suffix )
        {
                hash = re_hash_index( hash );    
        }
        code = lzw->lp_code[ hash ];
    }
    return code;
}
//------------------------------------------------------------------------------
VOID insert_table( PLZW_DATA lzw )
{

    WORD hash;
    hash = get_hash_index( lzw );
    if( lzw->lp_code[ hash ] == 0xFFFF )
    {
        lzw->lp_prefix[ hash ] = lzw->prefix;
        lzw->lp_suffix[ hash ] = lzw->suffix;
        lzw->lp_code[ hash ]   = lzw->code;
    }
    else
    {
        while( lzw->lp_code[ hash ] != 0xFFFF )
        {
                hash = re_hash_index( hash );    
        }
        lzw->lp_prefix[ hash ] = lzw->prefix;
        lzw->lp_suffix[ hash ] = lzw->suffix;
        lzw->lp_code[ hash ]   = lzw->code;
    }

}
//------------------------------------------------------------------------------


#endif

(4) encode.h  压缩程序主函数

#ifndef __ENCODE_H__
#define __ENCODE_H__
//------------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>

//------------------------------------------------------------------------------
VOID output_code( DWORD code ,PBUFFER_DATA out, PLZW_DATA lzw)
{
    out->dw_buffer |= code << ( 32 - out->by_left - lzw->cur_code_len );
    out->by_left += lzw->cur_code_len;

    while( out->by_left >= 8 )
    {
        if( out->index == BUFFERSIZE )
        {
            empty_buffer( lzw,out);
        }

        out->lp_buffer[ out->index++ ] = (BYTE)( out->dw_buffer >> 24 );
        out->dw_buffer <<= 8;