Usage: unzck [OPTION...] <file>
unzck - Decompress a zchunk file

  -c, --stdout               Direct output to stdout
      --dict                 Only extract the dictionary (can't be run with
                             --header)
      --header               Only extract the header (can't be run with --dict)

  -v, --verbose              Increase verbosity (can be specified more than
                             once for debugging)
  -?, --help                 Give this help list
      --usage                Give a short usage message
  -V, --version              Show program version