fundamental-binary-stream
fundamental-character-stream
fundamental-input-stream
fundamental-output-stream
The class
fundamental-stream
is a superclass to the fundamental input, output, character and binary streams. Its inclusion causes
streamp
to return
t
.
close
fundamental-binary-stream
fundamental-character-stream
fundamental-input-stream
fundamental-output-stream
open-stream-p
LispWorks User Guide and Reference Manual - 21 Dec 2011