rem: if ( gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON ( bouton ))) gtk_widget_set_style ( gtk_notebook_get_tab_label ( GTK_NOTEBOOK ( notebook_selection ), gtk_notebook_get_nth_page ( GTK_NOTEBOOK ( notebook_selection ), GPOINTER_TO_INT ( no_page ))), style_label ); else gtk_widget_set_style ( gtk_notebook_get_tab_label ( GTK_NOTEBOOK ( notebook_selection ), gtk_notebook_get_nth_page ( GTK_NOTEBOOK ( notebook_selection ), GPOINTER_TO_INT ( no_page ))), style_label_nom_compte );
add: GtkStyle *style;
context: void stylise_tab_label_etat ( GtkWidget *bouton,			      gint *no_page ){  if ( gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON ( bouton )))    gtk_widget_set_style ( gtk_notebook_get_tab_label ( GTK_NOTEBOOK ( notebook_selection ),							gtk_notebook_get_nth_page ( GTK_NOTEBOOK ( notebook_selection ),										    GPOINTER_TO_INT ( no_page ))),			   style_label );  else    gtk_widget_set_style ( gtk_notebook_get_tab_label ( GTK_NOTEBOOK ( notebook_selection ),							gtk_notebook_get_nth_page ( GTK_NOTEBOOK ( notebook_selection ),										    GPOINTER_TO_INT ( no_page ))),			   style_label_nom_compte );}