Method write

fs/path.cpp:179–190

            return 0;
        }
        int Node::write(string_view path, void* v)
        {
            if (path.empty() || path.back() == '/')
                ERROR_RETURN(EINVAL, -1);

            SEEK2ENT(node, it);
            if (it->second.is_node())
                ERROR_RETURN(EISDIR, -1);

            it->second.value = v;
            return 0;
        }
        int Node::unlink(string_view path)
        {
            if (path.empty() || path.back() == '/')