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--- Binary operations and conversion.
module "nixio.bin"
--- Return a hexadecimal ASCII represantation of the content of a buffer.
-- @class function
-- @name hexlify
-- @param buffer Buffer
-- @return representation using characters [0-9a-f]
--- Return a binary buffer from a hexadecimal ASCII representation.
-- @class function
-- @name unhexlify
-- @param hexvalue representation using characters [0-9a-f]
-- @return binary data
--- Calculate the CRC32 value of a buffer.
-- @class function
-- @name crc32
-- @param buffer Buffer
-- @param initial Initial CRC32 value (optional)
-- @return crc32 value
--- Base64 encode a given buffer.
-- @class function
-- @name b64encode
-- @param buffer Buffer
-- @return base64 encoded buffer
--- Base64 decode a given buffer.
-- @class function
-- @name b64decode
-- @param buffer Base 64 Encoded data
-- @return binary data
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