rem: void changement_taille_liste_tiers ( GtkWidget *clist, GtkAllocation *allocation, gpointer null )
add: gboolean changement_taille_liste_tiers ( GtkWidget *clist, GtkAllocation *allocation, gpointer null )
context: void changement_taille_liste_tiers ( GtkWidget *clist,				     GtkAllocation *allocation,				     gpointer null ){  gint tiers, date;  gint largeur;  largeur = allocation->width;  tiers = ( 43 * largeur) / 100;  date = ( 17 * largeur) / 100;  gtk_clist_set_column_width ( GTK_CLIST ( clist ),			       0,			       tiers );  gtk_clist_set_column_width ( GTK_CLIST ( clist ),			       1,			       date );  gtk_clist_set_column_width ( GTK_CLIST ( clist ),			       2,			       date );  gtk_clist_set_column_width ( GTK_CLIST ( clist ),			       3,			       date );}