+#include <cstdarg>
+using namespace std;
+
+#include "config.hh"
+
+char *strnlwr (char *start, int n);
+char *strnupr (char *start, int n);
+
+#if ! HAVE_MEMMEM /* GNU extension. */
+void *memmem (void const *haystack, int haystack_len,
+ void const *needle, int needle_len);
+#endif /* HAVE_MEMMEM */
+
+#if ! HAVE_MEMRCHR
+unsigned char *memrchr (unsigned char const *p, int n, char c);
+#endif