-VikWaypoint *vik_trw_layer_get_waypoint ( VikTrwLayer *vtl, gchar *name );
-VikTrack *vik_trw_layer_get_track ( VikTrwLayer *vtl, gchar *name );
-gboolean vik_trw_layer_delete_waypoint ( VikTrwLayer *vtl, const gchar *wp_name );
-gboolean vik_trw_layer_delete_track ( VikTrwLayer *vtl, const gchar *trk_name );
-const gchar *vik_trw_layer_sublayer_rename_request ( VikTrwLayer *l, const gchar *newname, gpointer vlp, gint subtype, gpointer sublayer, GtkTreeIter *iter );