#ifdef USE_X_TOOLKIT
extern int x_dispatch_event (XEvent *, Display *);
#endif
-extern unsigned int x_x_to_emacs_modifiers (struct x_display_info *,
- unsigned);
+extern EMACS_INT x_x_to_emacs_modifiers (struct x_display_info *, int);
extern int x_display_pixel_height (struct x_display_info *);
extern int x_display_pixel_width (struct x_display_info *);