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CURLINFO_SPEED_DOWNLOAD(3) Library Functions Manual CURLINFO_SPEED_DOWNLOAD(3) NAME CURLINFO_SPEED_DOWNLOAD - 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 This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); /* Perform the request */ result = curl_easy_perform(curl); if(result == CURLE_OK) { double speed; result = curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD, &speed); if(result == CURLE_OK) { printf("Download speed %.0f bytes/sec\n", speed); } } } } DEPRECATED Deprecated since 7.55.0. AVAILABILITY Added in curl 7.4.1 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_SIZE_UPLOAD_T(3), CURLINFO_SPEED_UPLOAD(3), curl_easy_getinfo(3), curl_easy_setopt(3) libcurl 2026-06-11 CURLINFO_SPEED_DOWNLOAD(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | DEPRECATED | AVAILABILITY | RETURN VALUE | SEE ALSO
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