CURLINFO_RTSP_CSEQ_RECV

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_RTSP_CSEQ_RECV, long *cseq);

Pass a pointer to a long to receive the most recently received CSeq from the server. If your application encounters a CURLE_RTSP_CSEQ_ERROR then you may wish to troubleshoot and/or fix the CSeq mismatch by peeking at this value.

RTSP

CURL *curl = curl_easy_init();
if(curl) {
  CURLcode res;
  curl_easy_setopt(curl, CURLOPT_URL, "rtsp://rtsp.example.com");
  res = curl_easy_perform(curl);
  if(res == CURLE_OK) {
    long cseq;
    curl_easy_getinfo(curl, CURLINFO_RTSP_CSEQ_RECV, &cseq);
  }
  curl_easy_cleanup(curl);
}

Added in 7.20.0

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

curl_easy_getinfo(3), curl_easy_setopt(3),