wait between sending keepalive probes. Not all operating systems support this
option. (Added in 7.25.0)
.SH DEFAULT
+60
.SH PROTOCOLS
+All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
/* enable TCP keep-alive for this transfer */
curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
- /* keep-alive idle time to 120 seconds */
+ /* set keep-alive idle time to 120 seconds */
curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
/* interval time between keep-alive probes: 60 seconds */