+/* Enable support for some obsoleted API of vserver 1.3.x */
+#undef VC_ENABLE_API_V13OBS
+
+/* Enable support for API of vserver 2.1.x */
+#undef VC_ENABLE_API_V21
+
+/* Enable support for API of vserver 2.2.x */
+#undef VC_ENABLE_API_V22
+
+/* Enable support for API of vserver 2.3.x */
+#undef VC_ENABLE_API_V23
+