MAC_POLICY_EXTERNALIZE
MAC_POLICY_EXTERNALIZE(cred, label, elements, outbuf, outbuflen);
MAC_POLICY_EXTERNALIZE(ifnet, label, elements, outbuf, outbuflen);
MAC_POLICY_EXTERNALIZE(pipe, label, elements, outbuf, outbuflen);
MAC_POLICY_EXTERNALIZE(prison, label, elements, outbuf, outbuflen);
MAC_POLICY_EXTERNALIZE(socket, label, elements, outbuf, outbuflen);
MAC_POLICY_EXTERNALIZE(socketpeer, label, elements, outbuf,
MAC_POLICY_EXTERNALIZE(vnode, label, elements, outbuf, outbuflen);