-extern int xg_create_frame_widgets (FRAME_PTR f);
-extern void xg_free_frame_widgets (FRAME_PTR f);
-extern void x_wm_set_size_hint (FRAME_PTR f,
- long flags,
- int user_position);
-extern void xg_set_background_color (FRAME_PTR f, unsigned long bg);
-extern int xg_check_special_colors (struct frame *f,
- const char *color_name,
- XColor *color);
-
-extern void xg_set_frame_icon (FRAME_PTR f,
+extern bool xg_create_frame_widgets (struct frame *f);
+extern void xg_free_frame_widgets (struct frame *f);
+extern void xg_set_background_color (struct frame *f, unsigned long bg);
+extern bool xg_check_special_colors (struct frame *f,
+ const char *color_name,
+ XColor *color);
+
+extern void xg_set_frame_icon (struct frame *f,