<title>CURLOPT_TCP_KEEPALIVE man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_TCP_KEEPALIVE - enable TCP keep-alive probing <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_TCP_KEEPALIVE, long probe); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a long. If set to 1, TCP keepalive probes will be sent. The delay and frequency of these probes can be controlled by the <a Class="emphasis" href="./CURLOPT_TCP_KEEPIDLE.html">CURLOPT_TCP_KEEPIDLE</a> and <a Class="emphasis" href="./CURLOPT_TCP_KEEPINTVL.html">CURLOPT_TCP_KEEPINTVL</a> options, provided the operating system supports them. Set to 0 (default behavior) to disable keepalive probes <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">0 <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
<p class="level0">All <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
-<p class="level0"><pre class="level0">
-CURL *curl = curl_easy_init();
-if(curl) {
- curl_easy_setopt(curl, CURLOPT_URL, "<a href="http://example.com">http://example.com</a>");
-
- /* enable TCP keep-alive for this transfer */
- curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
-
- /* keep-alive idle time to 120 seconds */
- curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
-
- /* interval time between keep-alive probes: 60 seconds */
- curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
-
- curl_easy_perform(curl);
-}
-</pre>
-
-<p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
+<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
<p class="level0">Added in 7.25.0 <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
<p class="level0">Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
<p class="level0"><a Class="manpage" href="./CURLOPT_TCP_KEEPIDLE.html">CURLOPT_TCP_KEEPIDLE</a>, <a Class="manpage" href="./CURLOPT_TCP_KEEPINTVL.html">CURLOPT_TCP_KEEPINTVL</a>, <span Class="manpage"> </span> <p class="roffit">