SIGNATURE_CHECK (GNULIB_NAMESPACE::towlower, wint_t, (wint_t));
SIGNATURE_CHECK (GNULIB_NAMESPACE::towupper, wint_t, (wint_t));
+#if GNULIB_TEST_WCTRANS
+SIGNATURE_CHECK (GNULIB_NAMESPACE::wctrans, wctrans_t, (const char *));
+#endif
+
+#if GNULIB_TEST_TOWCTRANS
+SIGNATURE_CHECK (GNULIB_NAMESPACE::towctrans, wint_t, (wint_t, wctrans_t));
+#endif
+
int
main ()