DEFINITION MODULE para3; IMPORT liste3; TYPE t_ptr_t_paragraphe = POINTER TO t_paragraphe; t_paragraphe = CLASS (liste3.t_element) longueur : CARDINAL; ptr_chaine : ADDRESS; PROCEDURE initialise_element ( VAR x : ARRAY OF CHAR);VIRTUAL; PROCEDURE affiche_element () ; VIRTUAL; PROCEDURE detruit_element () ; VIRTUAL; END; (* CLASS t_paragraphe *) END para3.