TOPO_METH_EXPAND
{ TOPO_METH_EXPAND, TOPO_METH_EXPAND_DESC,
TOPO_METH_EXPAND, out));
TOPO_METH_EXPAND, out));
if (topo_method_invoke(rnode, TOPO_METH_EXPAND,
return (set_error(thp, *err, err, TOPO_METH_EXPAND, out));