text: extern const char *fileparam;
  extern const char *pipeparam;
  extern const char *recieveModeParam;
  extern const char *transmitModeParam;
  extern const char *empty;
  extern const char *defaultFile;
  extern const char *defaultPipe;
  extern const int BUFFER_MAX_SIZE;
  extern const int recieveMode;
  extern const int transmitMode;
  extern const int MSS;
  extern const int L3HEADERSIZE;
  extern const int L2HEADERSIZE;
  extern const int L2SUFFIX;
  extern const int L3PDUSIZE;
  extern const int L2PDUSIZE;
  extern const int MAXPDU;
  extern const int RESPONSESIZE;
  extern const int TTR;
  