TOPO_METH_CONTAINS_VERSION
TOPO_METH_CONTAINS_VERSION, arg, &nvl, &err) != 0) {
TOPO_METH_CONTAINS_VERSION, in, &out, err) < 0)
TOPO_METH_CONTAINS_VERSION, TOPO_STABILITY_INTERNAL, ses_contains },
if (version > TOPO_METH_CONTAINS_VERSION)