<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HEADERDATA, void *pointer); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a <span Class="emphasis">pointer</span> to be used to write the header part of the received data to.
<p class="level0">If <a Class="emphasis" href="./CURLOPT_WRITEFUNCTION.html">CURLOPT_WRITEFUNCTION</a> or <a Class="emphasis" href="./CURLOPT_HEADERFUNCTION.html">CURLOPT_HEADERFUNCTION</a> is used, <span Class="emphasis">pointer</span> will be passed in to the respective callback.
<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HEADERDATA, void *pointer); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a <span Class="emphasis">pointer</span> to be used to write the header part of the received data to.
<p class="level0">If <a Class="emphasis" href="./CURLOPT_WRITEFUNCTION.html">CURLOPT_WRITEFUNCTION</a> or <a Class="emphasis" href="./CURLOPT_HEADERFUNCTION.html">CURLOPT_HEADERFUNCTION</a> is used, <span Class="emphasis">pointer</span> will be passed in to the respective callback.