;; A fixnum (denoting a valid file descriptor), a stream, or nil if
;; the stream is not open for input.
(input-handle :initform nil :initarg :input-handle
:type (or null fixnum stream)
;; A fixnum (denoting a valid file descriptor), a stream, or nil if
;; the stream is not open for input.
(input-handle :initform nil :initarg :input-handle
:type (or null fixnum stream)