--- rpl/src/rpl.h	2010/07/12 15:55:01	1.47
+++ rpl/src/rpl.h	2010/07/13 13:01:21	1.48
@@ -1229,6 +1229,7 @@ typedef struct liste_pile_systeme
 
 	unsigned long				adresse_retour;
 	unsigned long				niveau_courant;
+	struct_objet				*pointeur_adresse_retour;
 } struct_liste_pile_systeme;
 #endif
 
@@ -1995,6 +1996,7 @@ void instruction_axes(struct_processus *
 
 void instruction_b_vers_r(struct_processus *s_etat_processus);
 void instruction_backspace(struct_processus *s_etat_processus);
+void instruction_backtrace(struct_processus *s_etat_processus);
 void instruction_beep(struct_processus *s_etat_processus);
 void instruction_bessel(struct_processus *s_etat_processus);
 void instruction_bin(struct_processus *s_etat_processus);