+extern int visibility_checkvar ();
+extern int visibility_checkvarptr ();
+extern int visibility_varval ();
+extern void *visibility_varptr ();
+
+#ifdef HIDDEN_WEAK_TEST
+#define WEAK_TEST
+#endif
+
+#ifdef PROTECTED_WEAK_TEST
+#define WEAK_TEST
+#endif
+
+#ifdef PROTECTED_UNDEF_TEST
+#define PROTECTED_TEST
+#endif
+
+#ifndef WEAK_TEST
+extern int visibility ();
+extern int visibility_var;
+#endif