1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_SIZE_DOWNLOAD_T 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_SIZE_DOWNLOAD (3) 9 - CURLINFO_SIZE_UPLOAD_T (3) 10 - CURLOPT_MAXFILESIZE (3) 11 - curl_easy_getinfo (3) 12 - curl_easy_setopt (3) 13Protocol: 14 - All 15Added-in: 7.55.0 16--- 17 18# NAME 19 20CURLINFO_SIZE_DOWNLOAD_T - get the number of downloaded bytes 21 22# SYNOPSIS 23 24~~~c 25#include <curl/curl.h> 26 27CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD_T, 28 curl_off_t *dlp); 29~~~ 30 31# DESCRIPTION 32 33Pass a pointer to a *curl_off_t* to receive the total amount of bytes that 34were downloaded. The amount is only for the latest transfer and gets reset 35again for each new transfer. This counts actual payload data, what's also 36commonly called body. All meta and header data is excluded from this amount. 37 38# %PROTOCOLS% 39 40# EXAMPLE 41 42~~~c 43int main(void) 44{ 45 CURL *curl = curl_easy_init(); 46 if(curl) { 47 CURLcode res; 48 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 49 50 /* Perform the request */ 51 res = curl_easy_perform(curl); 52 53 if(!res) { 54 /* check the size */ 55 curl_off_t dl; 56 res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD_T, &dl); 57 if(!res) { 58 printf("Downloaded %" CURL_FORMAT_CURL_OFF_T " bytes\n", dl); 59 } 60 } 61 } 62} 63~~~ 64 65# %AVAILABILITY% 66 67# RETURN VALUE 68 69Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 70