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  "Zzzz..." v1.0           (C) 1999 Arpad Gereoffy <arpi@banki1.banki.hu>
  ~~~~~~~~
  Frontend for zlib v1.0.4 compression library (C) by:
    Jean-loup Gailly        Mark Adler
    gzip@prep.ai.mit.edu    madler@alumni.caltech.edu

  Really it's a big nothing ;-)
  It just calls some library function, but it helps a lot
  in manipulating raw z-compressed files from shell scripts.
  (It was originally written to decompress .ztext and .zdata sections
  of a compressed ELF object dumped by the ELF Disassembler...)

  Usage:  z [-c|-d] [-0..9] [inputfile outputfile]
  ~~~~~~
      -c     =  compress  (default)
      -d     =  decompress
      -0..9  =  set compression level, 0=store  1=fast  9=best=default

    If no filename specified then stdin/stdout will be used!

  Examples:
  ~~~~~~~~~
       z -c -7 foobar foobar.z
       z -d <foobar.z >foobar
       z -d README.z | more
       z -d .ztext | ndisasm -u - > .ztext.ASM

   Note: the .z suffix is not required, but useful.