rs independent of destination" </dd></dl>

</div>
</div>
<a id="a0d912e400875396792a12ea443ecc1cf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0d912e400875396792a12ea443ecc1cf">&#9670;&nbsp;</a></span>ip4_output_if_opt()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> ip4_output_if_opt </td>
          <td>(</td>
    