+type *none_type; type *get_none_type(void) { return none_type; }
+type *unknown_type; type *get_unknown_type(void) { return unknown_type; }
+
+
+#ifdef DEBUG_libfirm
+/** Returns a new, unique number to number nodes or the like. */
+int get_irp_new_node_nr(void);
+#endif
+
+/* Suffixes added to types used for pass-by-value representations. */
+static ident *value_params_suffix = NULL;
+static ident *value_ress_suffix = NULL;
+
+void init_type(void) {
+ value_params_suffix = new_id_from_str(VALUE_PARAMS_SUFFIX);
+ value_ress_suffix = new_id_from_str(VALUE_RESS_SUFFIX);
+
+ /* construct none and unknown type. */
+ none_type = new_type(tpop_none, mode_BAD, new_id_from_str("type_none"));
+ set_type_size (none_type, 0);
+ set_type_state (none_type, layout_fixed);
+ remove_irp_type(none_type);
+ unknown_type = new_type(tpop_unknown, mode_ANY, new_id_from_str("type_unknown"));
+ set_type_size (unknown_type, 0);
+ set_type_state (unknown_type, layout_fixed);
+ remove_irp_type(unknown_type);
+}
+