autofs_node_find
error = autofs_node_find(anp, component, componentlen, NULL);
int autofs_node_find(struct autofs_node *parent,
error = autofs_node_find(anp, ncp->nc_name, ncp->nc_nlen, &child);
KASSERT(autofs_node_find(parent, name, namelen, NULL) == ENOENT,