GType psppire_var_view_get_type (void);
gint psppire_var_view_append_names (PsppireVarView *vv, gint column, GString *string);
+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);