-    ++__s;
-  return *__s == '\0' ? NULL : (char *) (size_t) __s;
-}
-#endif
-
-
-/* Find the first occurrence of NEEDLE in HAYSTACK.  Newer gcc versions
-   do this itself.  */
-#if !defined _HAVE_STRING_ARCH_strstr && !__GNUC_PREREQ (2, 97)
-# define strstr(haystack, needle) \
-  (__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \
-		  ? (((const char *) (needle))[0] == '\0'		      \