1---
2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
3SPDX-License-Identifier: curl
4Title: CURLINFO_NAMELOOKUP_TIME_T
5Section: 3
6Source: libcurl
7See-also:
8  - CURLINFO_NAMELOOKUP_TIME (3)
9  - curl_easy_getinfo (3)
10  - curl_easy_setopt (3)
11Protocol:
12  - All
13Added-in: 7.61.0
14---
15
16# NAME
17
18CURLINFO_NAMELOOKUP_TIME_T - get the name lookup time in microseconds
19
20# SYNOPSIS
21
22~~~c
23#include <curl/curl.h>
24
25CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME_T,
26                           curl_off_t *timep);
27~~~
28
29# DESCRIPTION
30
31Pass a pointer to a curl_off_t to receive the total time in microseconds
32from the start until the name resolving was completed.
33
34When a redirect is followed, the time from each request is added together.
35
36See also the TIMES overview in the curl_easy_getinfo(3) man page.
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_off_t namelookup;
49    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
50    res = curl_easy_perform(curl);
51    if(CURLE_OK == res) {
52      res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME_T, &namelookup);
53      if(CURLE_OK == res) {
54        printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", namelookup / 1000000,
55               (long)(namelookup % 1000000));
56      }
57    }
58    /* always cleanup */
59    curl_easy_cleanup(curl);
60  }
61}
62~~~
63
64# %AVAILABILITY%
65
66# RETURN VALUE
67
68Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
69