<title>CURLOPT_IOCTLDATA man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_IOCTLDATA - custom pointer passed to I/O callback <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
-<p class="level0">#include <curl/curl.h>
+<p class="level0">#include <curl/curl.h>
<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IOCTLDATA, void *pointer); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass the <span Class="emphasis">pointer</span> that will be untouched by libcurl and passed as the 3rd argument in the ioctl callback set with <a Class="emphasis" href="./CURLOPT_IOCTLFUNCTION.html">CURLOPT_IOCTLFUNCTION</a>. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">By default, the value of this parameter is NULL. <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>