文件操作 - CURLINFO_NAMELOOKUP_TIME.3
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文件: /opt/netdata/share/man/man3/CURLINFO_NAMELOOKUP_TIME.3
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.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, 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.haxx.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 3 "28 Aug 2015" "libcurl 7.44.0" "curl_easy_getinfo options" .SH NAME CURLINFO_NAMELOOKUP_TIME \- get the name lookup time .SH SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_NAMELOOKUP_TIME, double *timep); .SH DESCRIPTION Pass a pointer to a double to receive the total time in seconds from the start until the name resolving was completed. 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) { double 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, &namelookup); if(CURLE_OK == res) { printf("Time: %.1f", namelookup); } } /* always cleanup */ curl_easy_cleanup(curl); } .fi .SH AVAILABILITY Added in 7.4.1 .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), "
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