1 .\" **************************************************************************
3 .\" * Project ___| | | | _ \| |
4 .\" * / __| | | | |_) | |
5 .\" * | (__| |_| | _ <| |___
6 .\" * \___|\___/|_| \_\_____|
8 .\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
10 .\" * This software is licensed as described in the file COPYING, which
11 .\" * you should have received as part of this distribution. The terms
12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 .\" * copies of the Software, and permit persons to whom the Software is
16 .\" * furnished to do so, under the terms of the COPYING file.
18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 .\" * KIND, either express or implied.
21 .\" **************************************************************************
23 .TH CURLOPT_IPRESOLVE 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
25 CURLOPT_IPRESOLVE \- specify which IP protocol version to use
27 #include <curl/curl.h>
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IPRESOLVE, long resolve);
31 Allows an application to select what kind of IP addresses to use when
32 resolving host names. This is only interesting when using host names that
33 resolve addresses using more than one version of IP. The allowed values are:
34 .IP CURL_IPRESOLVE_WHATEVER
35 Default, resolves addresses to all IP versions that your system allows.
37 Resolve to IPv4 addresses.
39 Resolve to IPv6 addresses.
41 CURL_IPRESOLVE_WHATEVER
51 .BR CURLOPT_HTTP_VERSION "(3), " CURLOPT_SSLVERSION "(3), "