EXFUN (Fset_buffer_multibyte, 1);
EXFUN (Foverlay_start, 1);
EXFUN (Foverlay_end, 1);
+EXFUN (Foverlay_buffer, 1);
extern void adjust_overlays_for_insert P_ ((EMACS_INT, EMACS_INT));
extern void adjust_overlays_for_delete P_ ((EMACS_INT, EMACS_INT));
extern void fix_start_end_in_overlays P_ ((int, int));