
            <td>
                Return zero.
            </td>
            <td class="notDone">
                &#x2714;
            </td>
        </tr>
        <tr>
            <th>
                Write thru(if poss)/after Remote Close
            </th>
            <td>
                IOEx(SocketEx(WSAECONNABORTED)).
            </td>
            <td class="notDone">
                &#x2714;
            </td>
        </tr>
        <tr>
            <th>
                Flush when not-open
            </