--- lib/cdt/cdt.h.old	2012-07-26 23:49:43.941610640 +0400
+++ lib/cdt/cdt.h	2012-07-26 23:57:20.253303190 +0400
@@ -239,8 +239,13 @@
 extern unsigned int	dtstrhash _ARG_((unsigned int, Void_t*, int));
 
 #if !_PACKAGE_ast
+#ifdef __cplusplus
+extern int             memcmp _ARG_((const Void_t*, const Void_t*, size_t)) __THROW __attribute_pure__ __nonnull ((1, 2));
+extern int		strcmp _ARG_((const char*, const char*)) __THROW __attribute_pure__ __nonnull ((1, 2));
+#else
 extern int		memcmp _ARG_((const Void_t*, const Void_t*, size_t));
 extern int		strcmp _ARG_((const char*, const char*));
+#endif
 #endif
 
 #undef extern