+/* Defined in frame.c */
+
+#ifdef HAVE_WINDOW_SYSTEM
+
+/* Types we might convert a resource string into. */
+enum resource_types
+{
+ RES_TYPE_NUMBER,
+ RES_TYPE_FLOAT,
+ RES_TYPE_BOOLEAN,
+ RES_TYPE_STRING,
+ RES_TYPE_SYMBOL
+};
+
+extern Lisp_Object x_get_arg P_ ((Display_Info *, Lisp_Object,
+ Lisp_Object, char *, char *class,
+ enum resource_types));
+extern Lisp_Object x_frame_get_arg P_ ((struct frame *, Lisp_Object,
+ Lisp_Object, char *, char *,
+ enum resource_types));
+extern Lisp_Object x_frame_get_and_record_arg P_ ((
+ struct frame *, Lisp_Object,
+ Lisp_Object, char *, char *,
+ enum resource_types));
+extern Lisp_Object x_default_parameter P_ ((struct frame *, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ char *, char *,
+ enum resource_types));
+
+#endif /* HAVE_WINDOW_SYSTEM */
+