text: #ifndef __EXTRACT_H__
  #define __EXTRACT_H__
  
  #include <stdlib.h>
  #include <stdio.h>
  #include <fcntl.h>
  #include <string.h>
  #include "lzw.h"
  
  void lzw_extract(char*);
  
  unsigned char outstring(unsigned char);
  
  #endif
  