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53 <p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
54 <p class="level0">CURLOPT_TCP_KEEPINTVL - set TCP keep-alive interval <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
55 <p class="level0">#include <curl/curl.h>
56 <p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPINTVL, long interval); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
57 <p class="level0">Pass a long. Sets the interval, in seconds, that the operating system will wait between sending keepalive probes. Not all operating systems support this option. (Added in 7.25.0) <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
58 <p class="level0"><a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
59 <p class="level0"><a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
60 <p class="level0"><pre class="level0">
61 CURL *curl = curl_easy_init();
63 curl_easy_setopt(curl, CURLOPT_URL, "<a href="http://example.com">http://example.com</a>");
65 /* enable TCP keep-alive for this transfer */
66 curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
68 /* keep-alive idle time to 120 seconds */
69 curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
71 /* interval time between keep-alive probes: 60 seconds */
72 curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
74 curl_easy_perform(curl);
78 <p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
79 <p class="level0">Always <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
80 <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>
81 <p class="level0"><a Class="manpage" href="./CURLOPT_TCP_KEEPALIVE.html">CURLOPT_TCP_KEEPALIVE</a>, <a Class="manpage" href="./CURLOPT_TCP_KEEPIDLE.html">CURLOPT_TCP_KEEPIDLE</a>, <span Class="manpage"> </span> <p class="roffit">
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