diff --git a/include/fsm.h b/include/fsm.h
index 019cb5e..d8b78e1 100644
--- a/include/fsm.h
+++ b/include/fsm.h
@@ -31,7 +31,7 @@
 #pragma once
 #include <stdbool.h>
 #include <stddef.h>
-
+#include <gtk-4.0/gtk/gtk.h>  //  <<  ?   TODO   >  Check
 
 /******************************************************************************/
 /*                         S T A T E   M A C H I N E                          */
@@ -70,3 +70,13 @@ void *fsm_add_measure (char *measure_name);
 void *fsm_add_result (char *result_name);
 
 void fsm_debug (int choice, int value, char *string, int sub_automaton);
+
+void pref_set_store_restore_reset (int choice, int value);
+const char *get_button_icon_name (int n);
+
+void fsm_reset_all_situations_transparencies_at_value (int value); // provisoire...
+
+void *fsm_add_displayable (char *displayable_name);
+
+void prefer_init ();
+
diff --git a/include/prefer.h b/include/prefer.h.forget
similarity index 100%
rename from include/prefer.h
rename to include/prefer.h.forget
diff --git a/src/fsm/dispatch.c b/src/fsm/dispatch.c
index 8d181eb..4e75176 100644
--- a/src/fsm/dispatch.c
+++ b/src/fsm/dispatch.c
@@ -30,9 +30,6 @@
 #include <stdbool.h>
 
 #include "../../include/fsm.h"
-#include "../../include/prefer.h"
-//#include "../../include/widget.h"
-#include "../../include/fsm.h"
 
 
 /******************************************************************************/
diff --git a/src/fsm/measure.c b/src/fsm/measure.c
index f18a5fb..82f6dee 100644
--- a/src/fsm/measure.c
+++ b/src/fsm/measure.c
@@ -28,6 +28,7 @@
 *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  *  */
 
 #include <stdbool.h>
+#include <stdlib.h>
 #include "../../include/fsm.h"
 
 /******************************************************************************/
@@ -101,9 +102,24 @@ typedef struct s_List List;
 struct s_List
 {
     List *next; /* pointeur sur le reste de la liste */
-    void *data; /* pointeur sur une donnée générique */
+//  void *data; /* pointeur sur une donnée générique */
 };
 
+List *list = NULL;
+
+List *list_create (void *data)
+{
+   List *list = malloc(sizeof(list));  /* allocation (en vert sur le diagramme)
+                                        * et affectation à la variable list (en bleu) */
+   if (list)                           /* si l'allocation a réussi */
+   {
+//     list->data = data;              /* affectation du champ data (en rouge) */
+       list->next = NULL;              /* affectation du champ next à la liste vide */
+   }
+   return list;                        /* retour de la liste
+                                        * (correctement allouée et affectée ou NULL) */
+}
+
 void fsm_measures_list_init ()
 {
     fsm_debug (0,0, "fsm_measures_list_init()", 2);  //  sub_automaton 2
diff --git a/src/prefer.c b/src/fsm/prefer.c
similarity index 96%
rename from src/prefer.c
rename to src/fsm/prefer.c
index 506a926..1e446b3 100644
--- a/src/prefer.c
+++ b/src/fsm/prefer.c
@@ -29,9 +29,9 @@
 
 
 
-#include "../include/fsm.h"
-#include "../include/signal.h"
-#include "../include/widget.h"
+#include "../../include/fsm.h"
+#include "../../include/signal.h"
+#include "../../include/widget.h"
 
 
 //  TODO   Les noms d'icônes sont utilisés pour deux fonctions distinctes :
@@ -127,4 +127,5 @@ void *fsm_add_displayable (char *displayable_name)
 
 
 void prefer_init () {prefer_displayable_list_init ();}
-void prefer_displayable_list_init () { printf("prefer  <>  prefer_displayable_list_init()\n");}
+void prefer_displayable_list_init ()
+{ printf("prefer  <>  prefer_displayable_list_init()  <  in the fsm ?  <  TODO\n");}
diff --git a/src/fsm/result.c b/src/fsm/result.c
index b9dbda4..8f30961 100644
--- a/src/fsm/result.c
+++ b/src/fsm/result.c
@@ -30,7 +30,6 @@
 #include <stdbool.h>
 
 #include "../../include/fsm.h"
-#include "../../include/prefer.h"
 #include "../../include/widget.h"
 
 
diff --git a/src/main.c b/src/main.c
index 01f87a8..6928d4a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -143,7 +143,6 @@
 
 #include "../include/widget.h"
 #include "../include/signal.h"
-#include "../include/prefer.h"
 #include "../include/fsm.h"
 
 
diff --git a/src/signal.c b/src/signal.c
index 9462a52..895a157 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -32,7 +32,6 @@
 #include "../include/fsm.h"
 #include "../include/signal.h"
 #include "../include/widget.h"
-#include "../include/prefer.h"
 #include "../include/graphics.h"
 
 
diff --git a/src/widget/measure/dispatch.c b/src/widget/measure/dispatch.c
index 5087259..bf90a86 100644
--- a/src/widget/measure/dispatch.c
+++ b/src/widget/measure/dispatch.c
@@ -31,7 +31,6 @@
 #include "../../../include/base.h"
 #include "../../../include/signal.h"
 #include "../../../include/widget.h"
-//#include "../../../include/prefer.h"
 #include "../../../include/fsm.h"