lispdoc - results for unread-char

(unread-char character &optional (stream standard-input))	Undocumented
	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

(read-char &optional (stream standard-input) (eof-error-p t) eof-value recursive-p)	Undocumented
Example: (defun continue-p () "Ask user if we should continue looking for solutions." (case (read-char) (#\; t) (#\. nil) (#\Newline (continue-p)) (otherwise (format t " Type ; to see more or . to stop") (continue-p))))	Mentioned in: CLtL2 - 21.1. Standard Streams CLtL2 - 21.2. Creating New Streams CLtL2 - 21.3. Operations on Streams CLtL2 - 22.1.5. The Readtable CLtL2 - 22.2.1. Input from Character Streams CLtL2 - 23.2. Opening and Closing Files CLtL2 - 23.3. Renaming, Deleting, and Other File Operations CLtL2 - 29.1. Introduction CLtL2 - A.2.1. Scanners HyperSpec - Function READ-CHAR PCL - bulk reads PCL - other kinds of io PCL - reading file data Successful Lisp - chapter19 Successful Lisp - characters

(trivial-gray-streams:stream-unread-char stream character)	Function: Un-do the last call to STREAM-READ-CHAR, as in UNREAD-CHAR. Return NIL. Every subclass of FUNDAMENTAL-CHARACTER-INPUT-STREAM must define a method for this function.