1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_NAMELOOKUP_TIME 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_NAMELOOKUP_TIME_T (3) 9 - curl_easy_getinfo (3) 10 - curl_easy_setopt (3) 11Protocol: 12 - All 13--- 14 15# NAME 16 17CURLINFO_NAMELOOKUP_TIME - get the name lookup time 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME, 25 double *timep); 26~~~ 27 28# DESCRIPTION 29 30Pass a pointer to a double to receive the total time in seconds from the start 31until the name resolving was completed. 32 33When a redirect is followed, the time from each request is added together. 34 35See also the TIMES overview in the curl_easy_getinfo(3) man page. 36 37# EXAMPLE 38 39~~~c 40int main(void) 41{ 42 CURL *curl = curl_easy_init(); 43 if(curl) { 44 CURLcode res; 45 double namelookup; 46 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); 47 res = curl_easy_perform(curl); 48 if(CURLE_OK == res) { 49 res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &namelookup); 50 if(CURLE_OK == res) { 51 printf("Time: %.1f", namelookup); 52 } 53 } 54 /* always cleanup */ 55 curl_easy_cleanup(curl); 56 } 57} 58~~~ 59 60# AVAILABILITY 61 62Added in 7.4.1 63 64# RETURN VALUE 65 66Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 67