unpack +bytestring

unpack :: ByteString -> [Char]
bytestring Data.ByteString.Char8, bytestring Data.ByteString.Lazy.Char8
O(n) Converts a ByteString to a String.
unpack :: ByteString -> [Word8]
bytestring Data.ByteString, bytestring Data.ByteString.Lazy
O(n) Converts a ByteString to a '[Word8]'.