Преобразование символа в код (и наоборот)

(stream-external-format *standard-output*)
; :UTF-8

(code-char 200)
; #\LATIN_CAPITAL_LETTER_E_WITH_GRAVE

(char-code #\LATIN_CAPITAL_LETTER_E_WITH_GRAVE)
; 200

(code-char 1488)
; #\HEBREW_LETTER_ALEF

(char-code #\HEBREW_LETTER_ALEF)
; 1488