+struct string;
+gint psppire_var_view_append_names_str (PsppireVarView *vv, gint column, struct string *);
+
+gboolean psppire_var_view_get_iter_first (PsppireVarView *vv, GtkTreeIter *iter);
+
+gboolean psppire_var_view_get_iter_next (PsppireVarView *vv, GtkTreeIter *iter);
+
+GSList *psppire_var_view_list_names (PsppireVarView *vv, gint column);
+
+
+const struct variable * psppire_var_view_get_variable (PsppireVarView *vv, gint column, GtkTreeIter *iter);
+const struct variable * psppire_var_view_get_var_from_model (GtkTreeModel *, gint column, GtkTreeIter *iter);
+
+
+GtkTreeModel *psppire_var_view_get_current_model (PsppireVarView *vv);
+
+void psppire_var_view_clear (PsppireVarView *vv);