write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <string.h>
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#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
/* Find the length of STRING, but scan at most MAXLEN characters.
If no '\0' terminator is found in that many characters, return MAXLEN. */