code-char code → char-p

code — a character code.

char-p — a character or nil.

Returns a character with the code attribute given by code. If no such character exists and one cannot be created, nil is returned.

(code-char 65.) → #\A  ;in an implementation using ASCII codes 
(code-char (char-code #\Space)) → #\Space  ;in any implementation

The implementation’s character encoding.

char-code