## NAME

CURLOPT_IPRESOLVE - specify which IP protocol version to use

## SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_IPRESOLVE, long resolve);

## DESCRIPTION

Allows an application to select what kind of IP addresses to use when resolving host names. This is only interesting when using host names that resolve addresses using more than one version of IP. The allowed values are:

CURL_IPRESOLVE_WHATEVER

Default, resolves addresses to all IP versions that your system allows.

CURL_IPRESOLVE_V4

Resolve to IPv4 addresses.

CURL_IPRESOLVE_V6

Resolve to IPv6 addresses.

## DEFAULT

CURL_IPRESOLVE_WHATEVER

## PROTOCOLS

All

## EXAMPLE

TODO

## AVAILABILITY

Always

## RETURN VALUE

Returns CURLE_OK

## SEE ALSO

CURLOPT_HTTP_VERSION CURLOPT_SSLVERSION

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