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48<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
49<p class="level0">CURLOPT_DNS_LOCAL_IP4 - IPv4 address to bind DNS resolves to <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
50<p class="level0">#include &lt;curl/curl.h&gt; 
51<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_LOCAL_IP4, char *address); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
52<p class="level0">Set the local IPv4 <span Class="emphasis">address</span> that the resolver should bind to. The argument should be of type char * and contain a single numerical IPv4 address as a string.  Set this option to NULL to use the default setting (don't bind to a specific IP address). <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
53<p class="level0">NULL <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
54<p class="level0">All <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
55<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
56<p class="level0">This option requires that libcurl was built with a resolver backend that supports this operation. The c-ares backend is the only such one. 
57<p class="level0">Added in 7.33.0 <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
58<p class="level0">Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, CURLE_NOT_BUILT_IN if support was disabled at compile-time, or CURLE_BAD_FUNCTION_ARGUMENT when given a bad address. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
59<p class="level0"><a Class="manpage" href="/CURLOPT_DNS_INTERFACE.html">CURLOPT_DNS_INTERFACE</a> <a Class="manpage" href="/CURLOPT_DNS_LOCAL_IP4.html">CURLOPT_DNS_LOCAL_IP4</a> <span Class="manpage"> </span> <p class="roffit">
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