Set the rtsp client cseq number
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RTSP_CLIENT_CSEQ, long cseq);
Pass a long to set the the CSEQ number to issue for the next RTSP request. Useful if the application is resuming a previously broken connection. The CSEQ will increment from this new number henceforth.
Added in 7.20.0
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.