unc-members">Functions</a>  </div>
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<div class="title">if_api.c File Reference</div>  </div>
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<div class="textblock"><code>#include &quot;<a class="el" href="opt_8h.html">lwip/opt.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="lwip_2errno_8h.html">lwip/errno.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="if__api_8h.html">lwip/if_api.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="neti