then give a diagnostic and exit nonzero.
Otherwise, this function works just like Solaris' fstatat. */
-# if HAVE_FSTATAT
-# define AT_FUNC_NAME rpl_fstatat
-# else
-# define AT_FUNC_NAME fstatat
-# endif
+# define AT_FUNC_NAME fstatat
# define AT_FUNC_F1 lstat
# define AT_FUNC_F2 stat_func
# define AT_FUNC_USE_F1_COND AT_SYMLINK_NOFOLLOW