+#ifdef VC_ENABLE_API_V21
+# define CALL_VC_V21(F,...) CALL_VC_GENERAL(0x00020100, v21, F, __VA_ARGS__)
+#else
+# define CALL_VC_V21(F,...) CALL_VC_NOOP
+#endif
+
+#ifdef VC_ENABLE_API_V21
+# define CALL_VC_SPACES(F,...) CALL_VC_GENERAL_CONFIG(VC_VCI_SPACES, spaces, F, __VA_ARGS__)
+#else
+# define CALL_VC_SPACES(F,...) CALL_VC_NOOP
+#endif