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F.5 Binary Streams

Binary streams can be created by defining a class that includes either fundamental-binary-input-stream or fundamental-binary-output-stream (or both) and defining a method for stream-element-type and for one or both of the following generic functions.

stream-read-byte [Generic Function]

Arguments: stream

Summary: Returns either an integer or the symbol :eof if stream is at end-of-file. This is used by read-byte .

stream-write-byte [Generic Function]

Arguments: stream integer

Summary: Writes integer to stream and returns integer as the result. This is used by write-byte .

Common Lisp Interface Manager 2.0 User Guide - 14 Dec 2001

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