+
+/* Don't call this: this is for the "xscreensaver-getimage" program only. */
+extern void grab_screen_image_internal (Screen *, Window);
+
+/* Don't use this: this is how "xscreensaver-getimage" and "grabclient.c"
+ pass the file name around. */
+#define XA_XSCREENSAVER_IMAGE_FILENAME "_SCREENSAVER_IMAGE_FILENAME"
+