<title>CURLOPT_HTTP_VERSION man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_HTTP_VERSION - specify HTTP protocol version to use <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_HTTP_VERSION, long version); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass <span Class="emphasis">version</span> a long, set to one of the values described below. They force libcurl to use the specific HTTP versions. This is not sensible to do unless you have a good reason. You have to set this option if you want to use libcurl's HTTP/2 support.
<p class="level0">
<p class="level0"><a name="CURLHTTPVERSION11"></a><span class="nroffip">CURL_HTTP_VERSION_1_1</span>
<p class="level1">Enforce HTTP 1.1 requests.
<p class="level0"><a name="CURLHTTPVERSION20"></a><span class="nroffip">CURL_HTTP_VERSION_2_0</span>
-<p class="level1">Attempt HTTP 2.0 requests. libcurl will fall back to HTTP 1.x if HTTP 2.0 can't be negotiated with the server. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
+<p class="level1">Attempt HTTP 2 requests. libcurl will fall back to HTTP 1.x if HTTP 2 can't be negotiated with the server. (Added in 7.33.0) <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">CURL_HTTP_VERSION_NONE <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
<p class="level0">HTTP <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>