---
name: "CURLOPT_RTSP_CLIENT_CSEQ"
section: "3"
platform: "macos"
package: "curl"
version: "166.0.0.0.1"
release: "macOS 26.5"
platforms: ["linux", "macos"]
url: "https://new.carta.tech/CURLOPT_RTSP_CLIENT_CSEQ"
---

# CURLOPT\_RTSP\_CLIENT\_CSEQ(3)

RTSP client CSEQ number

## NAME

CURLOPT\_RTSP\_CLIENT\_CSEQ - RTSP client CSEQ number

## SYNOPSIS

```
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RTSP_CLIENT_CSEQ, long cseq);
```

## DESCRIPTION

Pass a long to set the CSEQ number to issue for the next RTSP request. Useful if the application is resuming a previously broken connection. The CSEQ increments from this new number henceforth.

## DEFAULT

0

## PROTOCOLS

RTSP

## EXAMPLE

```
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "rtsp://example.com/");
    curl_easy_setopt(curl, CURLOPT_RTSP_CLIENT_CSEQ, 1234L);
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}
```

## AVAILABILITY

Added in 7.20.0

## RETURN VALUE

Returns CURLE\_OK if the option is supported, and CURLE\_UNKNOWN\_OPTION if not.

## SEE ALSO

[**CURLINFO\_RTSP\_CLIENT\_CSEQ**(3)](/CURLINFO_RTSP_CLIENT_CSEQ/3.md), [**CURLINFO\_RTSP\_SERVER\_CSEQ**(3)](/CURLINFO_RTSP_SERVER_CSEQ/3.md), [**CURLOPT\_RTSP\_REQUEST**(3)](/CURLOPT_RTSP_REQUEST/3.md), [**CURLOPT\_RTSP\_SERVER\_CSEQ**(3)](/CURLOPT_RTSP_SERVER_CSEQ/3.md)