— Generic Function: cl:stream-element-type stream

Return a type specifier for the kind of object returned by the stream. The class fundamental-character-stream provides a default method which returns character.

— Generic Function: cl:close stream &key abort

Close the given stream. No more I/O may be performed, but inquiries may still be made. If :abort is true, an attempt is made to clean up the side effects of having created the stream.

— Generic Function: sb-gray:stream-file-position stream &optional position-spec

Used by file-position. Returns or changes the current position within stream.