SIGNATURE_CHECK (GNULIB_NAMESPACE::malloc, void *, (size_t));
#endif
+#if GNULIB_TEST_MBTOWC
+SIGNATURE_CHECK (GNULIB_NAMESPACE::mbtowc, int,
+ (wchar_t *, const char *, size_t));
+#endif
+
#if GNULIB_TEST_MKDTEMP
SIGNATURE_CHECK (GNULIB_NAMESPACE::mkdtemp, char *, (char *));
#endif