ELEM_TO_NODE
list_insert(lp, ELEM_TO_NODE(lp, elem), np->uln_prev, np);
uu_list_node_impl_t *np = ELEM_TO_NODE(lp, elem);
uu_list_node_impl_t *np = ELEM_TO_NODE(lp, target);
list_insert(lp, ELEM_TO_NODE(lp, elem), np->uln_prev, np);
uu_list_node_impl_t *np = ELEM_TO_NODE(lp, target);
list_insert(lp, ELEM_TO_NODE(lp, elem), np, np->uln_next);
uu_list_node_impl_t *n = ELEM_TO_NODE(lp, elem);
uu_list_node_impl_t *n = ELEM_TO_NODE(lp, elem);