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CURLINFO_SPEED_DOWNLOAD(3)          libcurl         CURLINFO_SPEED_DOWNLOAD(3)

NAME
       CURLINFO_SPEED_DOWNLOAD - get download speed

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SPEED_DOWNLOAD,
                                  double *speed);

DESCRIPTION
       Pass a pointer to a double to receive the average download speed that
       curl measured for the complete download. Measured in bytes/second.

       CURLINFO_SPEED_DOWNLOAD_T(3) is a newer replacement that returns a more
       sensible variable type.

PROTOCOLS
EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

         /* Perform the request */
         res = curl_easy_perform(curl);

         if(!res) {
           double speed;
           res = curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD, &speed);
           if(!res) {
             printf("Download speed %.0f bytes/sec\n", speed);
           }
         }
       }

AVAILABILITY
       Added in 7.4.1. Deprecated since 7.55.0.

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

SEE ALSO
       curl_easy_getinfo(3), curl_easy_setopt(3),  CURLINFO_SPEED_UPLOAD(3),
       CURLINFO_SIZE_UPLOAD_T(3),

ibcurl 8.1.2                    April 26, 2023      CURLINFO_SPEED_DOWNLOAD(3)