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
13---
14
15# NAME
16
17CURLINFO_NAMELOOKUP_TIME_T - get the name lookup time in microseconds
18
19# SYNOPSIS
20
21~~~c
22#include <curl/curl.h>
23
24CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME_T,
25                           curl_off_t *timep);
26~~~
27
28# DESCRIPTION
29
30Pass a pointer to a curl_off_t to receive the total time in microseconds
31from the start until 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    curl_off_t 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_T, &namelookup);
50      if(CURLE_OK == res) {
51        printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", namelookup / 1000000,
52               (long)(namelookup % 1000000));
53      }
54    }
55    /* always cleanup */
56    curl_easy_cleanup(curl);
57  }
58}
59~~~
60
61# AVAILABILITY
62
63Added in 7.61.0
64
65# RETURN VALUE
66
67Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
68