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Updated: Thursday, June 13, 2019
 
 

CURLOPT_IPRESOLVE (3)

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

CURLOPT_IPRESOLVE(3)       curl_easy_setopt options       CURLOPT_IPRESOLVE(3)



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
       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");

         /* resolve host name using IPv6-names only */
         curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);

         ret = curl_easy_perform(curl);

         curl_easy_cleanup(curl);
       }


AVAILABILITY
       Always

RETURN VALUE
       Returns CURLE_OK


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+------------------+
       |ATTRIBUTE TYPE | ATTRIBUTE VALUE  |
       +---------------+------------------+
       |Availability   | web/curl         |
       +---------------+------------------+
       |Stability      | Uncommitted      |
       +---------------+------------------+
SEE ALSO
       CURLOPT_HTTP_VERSION(3), CURLOPT_SSLVERSION(3),



NOTES
       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source   was    downloaded    from     https://github.com/curl/curl/ar-
       chive/curl-7_64_0.zip

       Further information about this software can be found on the open source
       community website at http://curl.haxx.se/.



libcurl 7.37.0                    19 Jun 2014             CURLOPT_IPRESOLVE(3)