-AH_BOTTOM([/* fseeko portability defines */
-#ifdef HAVE_FSEEKO
-# define LOFF_T off_t
-# if SIZEOF_OFF_T == 8
-# define OFF_T_FMT "%lld"
-# else
-# define OFF_T_FMT "%ld"
-# endif
-#else
-# define LOFF_T long
-# define fseeko fseek
-# define ftello ftell
-# define OFF_T_FMT "%ld"
-#endif
-])