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CURLINFO_NAMELOOKUP_TIME_T.3
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.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 2018 - 2019, Daniel Stenberg, <[email protected]>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.se/docs/copyright.html.
.\" *
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
.\" *
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
.\" *
.\" **************************************************************************
.\"
.TH CURLINFO_NAMELOOKUP_TIME_T 3 "28 Apr 2018" "libcurl 7.61.0" "curl_easy_getinfo options"
.SH NAME
CURLINFO_NAMELOOKUP_TIME_T \- get the name lookup time in microseconds
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME_T, curl_off_t *timep);
.SH DESCRIPTION
Pass a pointer to a curl_off_t to receive the total time in microseconds
from the start until the name resolving was completed.
When a redirect is followed, the time from each request is added together.
See also the TIMES overview in the \fIcurl_easy_getinfo(3)\fP man page.
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
curl = curl_easy_init();
if(curl) {
curl_off_t namelookup;
curl_easy_setopt(curl, CURLOPT_URL, url);
res = curl_easy_perform(curl);
if(CURLE_OK == res) {
res = curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME_T, &namelookup);
if(CURLE_OK == res) {
printf("Time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", namelookup / 1000000,
(long)(namelookup % 1000000));
}
}
/* always cleanup */
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.61.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), " CURLINFO_NAMELOOKUP_TIME "(3)"