-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
-# include <memory.h>
-# endif
-/* Temporarily redefine strnlen so that an inconsistent prototype
- (on at least AIX4.3.2.0 w/gcc-2.95.3) doesn't cause trouble. */
-# define strnlen system_strnlen
-# include <string.h>
-# undef strnlen
-#else
-# include <strings.h>
-#endif
-
-#ifndef HAVE_DECL_MEMCHR
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_MEMCHR
-char *memchr ();
-#endif
-
-#undef __strnlen
-#undef strnlen
-
-#ifndef weak_alias
-# define __strnlen strnlen
-#endif