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CURLINFO_P...SFER_TIME_T(3) Library Functions Manual CURLINFO_P...SFER_TIME_T(3) NAME CURLINFO_PRETRANSFER_TIME_T - time to transfer start SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRETRANSFER_TIME_T, curl_off_t *timep); DESCRIPTION Pass a pointer to a curl_off_t to receive the time, in microseconds, it took from the start until the file transfer is about to begin. This time-stamp includes all pre-transfer commands and negotiations that are specific to the particular protocol(s) involved. It includes the send- ing of the protocol-specific instructions that trigger a transfer. When a redirect is followed, the time from each request is added together. See also the TIMES overview in the curl_easy_getinfo(3) man page. PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_off_t pretransfer; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); result = curl_easy_perform(curl); if(result == CURLE_OK) { result = curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME_T, &pretransfer); if(result == CURLE_OK) { printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld\n", pretransfer / 1000000, (long)(pretransfer % 1000000)); } } /* always cleanup */ curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.61.0 RETURN VALUE curl_easy_getinfo(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLINFO_CONNECT_TIME(3), CURLINFO_PRETRANSFER_TIME_T(3), curl_easy_get- info(3), curl_easy_setopt(3) libcurl 2026-06-11 CURLINFO_P...SFER_TIME_T(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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