lispdoc - results for unread-byte

(read-byte stream &optional (eof-error-p t) eof-value)
(defun read-type-code (stream) (read-byte stream))
Mentioned in:
CLtL2 - 22.2.2. Input from Binary Streams
CLtL2 - 23.2. Opening and Closing Files
CLtL2 - 23.3. Renaming, Deleting, and Other File Operations
HyperSpec - Function READ-BYTE
PCL - binary format basics
PCL - bulk reads
PCL - implementing shoutcast
PCL - other kinds of io
PCL - reading binary data
Successful Lisp - chapter19
(flexi-streams:unread-byte byte flexi-input-stream)
(unread-char character &optional (stream *standard-input*))
 Mentioned in:
CLtL2 - 21.2. Creating New Streams
CLtL2 - 22.1.1. What the Read Function Accepts
CLtL2 - 22.2.1. Input from Character Streams
HyperSpec - Function UNREAD-CHAR
PCL - extracting information from an id3 tag
Successful Lisp - chapter19