File list (Check if you may need any files):
huffman\a.txt
.......\a.txt.bak
.......\b.txt
.......\compress.c
.......\COMPRESS_H.H
.......\com_and_decompress_h.h
.......\COM_DECOM_PRESS_H.h
.......\Debug\compress.obj
.......\.....\compress.sbr
.......\.....\decompress.obj
.......\.....\decompress.sbr
.......\.....\defend.obj
.......\.....\defend.sbr
.......\.....\hash.obj
.......\.....\hash.sbr
.......\.....\huffman.bsc
.......\.....\huffman.exe
.......\.....\huffman.ilk
.......\.....\huffman.obj
.......\.....\huffman.pch
.......\.....\huffman.pdb
.......\.....\huffman.sbr
.......\.....\item.obj
.......\.....\item.sbr
.......\.....\main.obj
.......\.....\main.sbr
.......\.....\priority_queue.obj
.......\.....\priority_queue.sbr
.......\.....\vc60.idb
.......\.....\vc60.pdb
.......\decompress.c
.......\DECOMPRESS_H.H
.......\defend.c
.......\Defend.h
.......\encode_file.txt
.......\hash.c
.......\HASH_Element_H.h
.......\HASH_H.H
.......\HASH_OPENING_ADDRESS_H.H
.......\HEAP_H.H
.......\huffman.c
.......\huffman.dsp
.......\huffman.dsw
.......\huffman.h
.......\huffman.ncb
.......\huffman.opt
.......\huffman.plg
.......\item.c
.......\Item.h
.......\main.c
.......\out.txt
.......\priority_queue.c
.......\Debug
huffman