lookup_dir_entry
status = lookup_dir_entry(vnode.Get(), path, &temp);
status = lookup_dir_entry(vnode, "..", &parentVnode);
status = lookup_dir_entry(directory, name, &entry);
if (lookup_dir_entry(vnode, name, &entry) == B_OK) {
status = lookup_dir_entry(vnode, path, &nextVnode);
status = lookup_dir_entry(vnode, "..", &parentVnode);