escriptor_base::bytes_readable"><span class="bold"><strong>bytes_readable</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  IO control command to get the amount of data that can be read without
                  blocking.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="posix__descriptor_base/wait_type.html" title="posix::descriptor_base::wait_type"><span class="bold"><strong>wait_type</