+gchar * pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err);
+gchar * utf8_to_pspp_locale (const gchar *text, gssize len, GError **err);
+
+gchar * convert_glib_filename_to_system_filename (const gchar *fname,
+ GError **err);
+
+
+void connect_help (GtkBuilder *);
+
+void reference_manual (GtkMenuItem *, gpointer);
+
+struct getl_interface;
+gboolean execute_syntax (struct getl_interface *sss);
+
+
+#define builder_new(NAME) builder_new_real (relocate (PKGDATADIR "/" NAME))
+
+GtkBuilder *builder_new_real (const gchar *name);
+
+
+/* Create a deep copy of SRC */
+GtkListStore * clone_list_store (const GtkListStore *src);