extern void replace_range (ptrdiff_t, ptrdiff_t, Lisp_Object, bool, bool, bool);
extern void replace_range_2 (ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t,
const char *, ptrdiff_t, ptrdiff_t, bool);
extern void replace_range (ptrdiff_t, ptrdiff_t, Lisp_Object, bool, bool, bool);
extern void replace_range_2 (ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t,
const char *, ptrdiff_t, ptrdiff_t, bool);