lispdoc - results for make-echo-stream

(make-echo-stream input-stream output-stream)
Function: Return a bidirectional stream which gets its input from INPUT-STREAM and sends its output to OUTPUT-STREAM. In addition, all input is echoed to the output stream.
 Mentioned in:
CLtL2 - 21.2. Creating New Streams
CLtL2 - 21.3. Operations on Streams
CLtL2 - 22.2.1. Input from Character Streams
HyperSpec - Function MAKE-ECHO-STREAM
PCL - other kinds of io
Successful Lisp - chapter19