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<DIR>   ..
<DIR>   A-law
          -> html, wikipedia
             -> A-law, wikipedia.htm
          -> source code
             -> encode.c
             -> decode.c (more in 'source code'...)
<DIR>   mu-law
          -> html, wikipedia
             -> mu-law, Wikipedia.htm
          -> source code
             -> encode.c
             -> decode.c (more in 'source code'...)