diff --git a/sae102.h b/sae102.h
index 9faf7d4..0490808 100644
--- a/sae102.h
+++ b/sae102.h
@@ -56,4 +56,14 @@ ListeDept insererEnTete(ListeDept l, char* departement, int nbP, char* nomResp);
 
 MaillonDept modifNbPlaces(MaillonDept m);
 
-MaillonDept modifResp(MaillonDept m);
\ No newline at end of file
+MaillonDept modifResp(MaillonDept m);
+
+void affichageMenuPrincipal(void);
+
+void switchPrincipal(int choix);
+
+void affichageErreurSaisie(void);
+
+void affichageMenuAdministrateur(void);
+
+void affichageErreurMdp(void);
\ No newline at end of file