 valign="top" align="left"><tt>Domain2&nbsp;&nbsp;&nbsp;</tt></td><td>   domain to be passed to routines in fms_io_mod, Current_domain will point to
   this Domain2 <br>&nbsp;&nbsp;&nbsp;<span class="type">[domain2D]</span></td>
</tr>
</table>
</dd>
<br>
</dl>
</li>
<li>
<a name="nullify_domain"></a>
<h4>nullify_domain</h4>
<dl>
<dt>
<b>DESCRIPTION</b>
</dt>
<dd>   Use to nulify domain that has been assigned by set_domain. </dd>
<br>
<br>
</dl>
</li>
<li>
<a name="return_domain"></a>
<h4>return_domain</h4>
