make-concatenated-stream &rest input-streams => concatenated-stream
Arguments and Values:
input-stream---an input stream.
concatenated-stream---a concatenated stream.
Returns a concatenated stream that has the indicated input-streams initially associated with it.
(read (make-concatenated-stream (make-string-input-stream "1") (make-string-input-stream "2"))) => 12
Side Effects: None.
Affected By: None.
Should signal type-error if any argument is not an input stream.