+/* Size of hourglass controls */
+#define HOURGLASS_WIDTH 16
+#define HOURGLASS_HEIGHT 16
+
+struct frame;
+struct face;
+struct image;
+
+Lisp_Object display_x_get_resource P_ ((struct x_display_info *,
+ Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object));
+struct frame *check_x_frame P_ ((Lisp_Object));
+EXFUN (Fx_display_color_p, 1);
+EXFUN (Fx_display_grayscale_p, 1);
+EXFUN (Fx_display_planes, 1);
+extern void x_free_gcs P_ ((struct frame *));
+extern int XParseGeometry P_ ((char *, int *, int *, unsigned int *,
+ unsigned int *));
+
+/* Defined in macterm.c. */
+
+extern void x_set_window_size P_ ((struct frame *, int, int, int));
+extern void x_make_frame_visible P_ ((struct frame *));
+extern void mac_initialize P_ ((void));
+extern Pixmap XCreatePixmap P_ ((Display *, WindowPtr, unsigned int,
+ unsigned int, unsigned int));
+extern Pixmap XCreatePixmapFromBitmapData P_ ((Display *, WindowPtr, char *,
+ unsigned int, unsigned int,
+ unsigned long, unsigned long,
+ unsigned int));
+extern void XFreePixmap P_ ((Display *, Pixmap));
+extern GC XCreateGC P_ ((Display *, Window, unsigned long, XGCValues *));
+extern void XSetForeground P_ ((Display *, GC, unsigned long));
+extern void XSetBackground P_ ((Display *, GC, unsigned long));
+extern void XSetWindowBackground P_ ((Display *, WindowPtr, unsigned long));
+extern void mac_draw_line_to_pixmap P_ ((Display *, Pixmap, GC, int, int,
+ int, int));
+extern void mac_unload_font P_ ((struct mac_display_info *, XFontStruct *));
+extern OSErr install_window_handler P_ ((WindowPtr));
+extern void remove_window_handler P_ ((WindowPtr));