1CURLINFO_PRETRANSFER_TIME(3)curl_easy_getinfo optionCsURLINFO_PRETRANSFER_TIME(3)
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NAME

6       CURLINFO_PRETRANSFER_TIME - get the time until the file transfer start
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode   curl_easy_getinfo(CURL  *handle,  CURLINFO_PRETRANSFER_TIME,
12       double *timep);
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DESCRIPTION

15       Pass a pointer to a double to receive the time,  in  seconds,  it  took
16       from the start until the file transfer is just about to begin.
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18       This  time-stamp  includes  all  pre-transfer commands and negotiations
19       that are specific to the particular protocol(s) involved.  It  includes
20       the  sending of the protocol- specific protocol instructions that trig‐
21       gers a transfer.
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23       When a redirect is followed, the time from each request  is  added  to‐
24       gether.
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26       See also the TIMES overview in the curl_easy_getinfo(3) man page.
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PROTOCOLS

29       All
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EXAMPLE

32       curl = curl_easy_init();
33       if(curl) {
34         double pretransfer;
35         curl_easy_setopt(curl, CURLOPT_URL, url);
36         res = curl_easy_perform(curl);
37         if(CURLE_OK == res) {
38           res = curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME, &pretransfer);
39           if(CURLE_OK == res) {
40             printf("Time: %.1f", pretransfer);
41           }
42         }
43         /* always cleanup */
44         curl_easy_cleanup(curl);
45       }
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AVAILABILITY

48       Added in 7.4.1
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RETURN VALUE

51       Returns  CURLE_OK  if the option is supported, and CURLE_UNKNOWN_OPTION
52       if not.
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SEE ALSO

55       curl_easy_getinfo(3),      curl_easy_setopt(3),      CURLINFO_PRETRANS‐
56       FER_TIME_T(3)
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60libcurl 7.76.1                 January 14, 2021   CURLINFO_PRETRANSFER_TIME(3)
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