#ifdef HAVE_WINDOW_SYSTEM
-/* Structure forward declarations. */
-
-struct image;
-
-
/* Each image format (JPEG, TIFF, ...) supported is described by
a structure of the type below. */
extern void start_hourglass (void);
extern void cancel_hourglass (void);
extern int hourglass_shown_p;
-
-struct atimer; /* Defined in atimer.h. */
/* If non-null, an asynchronous timer that, when it expires, displays
an hourglass cursor on all frames. */
extern struct atimer *hourglass_atimer;