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CURLOPT_DNS_INTERFACE(3)   curl_easy_setopt options   CURLOPT_DNS_INTERFACE(3)




NAME

       CURLOPT_DNS_INTERFACE - set interface to speak DNS over


SYNOPSIS

       #include <curl/curl.h>

       CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_DNS_INTERFACE,  char
       *ifname);


DESCRIPTION

       Pass a char * as parameter. Set the name of the network interface  that
       the DNS resolver should bind to. This must be an interface name (not an
       address). Set this option to NULL to use  the  default  setting  (don't
       bind to a specific interface).

       The  application  does not have to keep the string around after setting
       this option.


DEFAULT

       NULL


PROTOCOLS


EXAMPLE

       TODO


AVAILABILITY

       Added in 7.33.0. This option also requires that libcurl was built  with
       a  resolver backend that supports this operation. The c-ares backend is
       the only such one.


RETURN VALUE

       Returns CURLE_OK if the option is  supported,  CURLE_UNKNOWN_OPTION  if
       not, or CURLE_NOT_BUILT_IN if support was disabled at compile-time.


SEE ALSO

       CURLOPT_DNS_SERVERS(3), CURLOPT_DNS_LOCAL_IP4(3),



libcurl 7.37.0                    19 Jun 2014         CURLOPT_DNS_INTERFACE(3)

curl 7.53.0 - Generated Thu Feb 23 07:43:28 CST 2017
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