CURLINFO_STARTTRANSFER_TIME(3)                       curl_easy_getinfo options

NAME
       CURLINFO_STARTTRANSFER_TIME - get the time until the first byte is
       received

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_STARTTRANSFER_TIME,
       double *timep);

DESCRIPTION
       Pass a pointer to a double to receive the time, in seconds, it took
       from the start until the first byte is received by libcurl. This
       includes _PRETRANSFER_TIME&section=3">CURLINFO_PRETRANSFER_TIME(3) and also the time the server
       needs to calculate the result.

       When a redirect is followed, the time from each request is added
       together.

       See also the TIMES overview in the _easy_getinfo&section=3">curl_easy_getinfo(3) man page.

PROTOCOLS
       All

EXAMPLE
       curl = curl_easy_init();
       if(curl) {
         double start;
         curl_easy_setopt(curl, CURLOPT_URL, url);
         res = curl_easy_perform(curl);
         if(CURLE_OK == res) {
           res = curl_easy_getinfo(curl, CURLINFO_STARTTRANSFER_TIME, &start);
           if(CURLE_OK == res) {
             printf("Time: %.1f", start);
           }
         }
         /* always cleanup */
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.9.2

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_STARTTRANSFER_TIME_T(3)

libcurl 7.77.0                 November 4, 2020 CURLINFO_STARTTRANSFER_TIME(3)