link_node
link_chain_t *link_node;
link_node = get_link_prev_stat(linkid, arg);
if (link_node == NULL)
link_node->lc_visited = B_TRUE;
prev_stat = link_node->lc_statchain[stattype];
link_node->lc_statchain[stattype] = curr_stat;
link_node(dip);