CURLOPT_DNS_LOCAL_IP4(3) 맨 페이지 - 윈디하나의 솔라나라

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CURLOPT_DNS_LOCAL_IP4(3)

CURLOPT_DNS_LOCAL_IP4(3)   curl_easy_setopt options   CURLOPT_DNS_LOCAL_IP4(3)



NAME
       CURLOPT_DNS_LOCAL_IP4 - IPv4 address to bind DNS resolves to

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_LOCAL_IP4, char *address);

DESCRIPTION
       Set  the local IPv4 address that the resolver should bind to. The argu‐
       ment should be of type char *  and  contain  a  single  numerical  IPv4
       address  as  a string.  Set this option to NULL to use the default set‐
       ting (do not bind to a specific IP address).

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

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
         curl_easy_setopt(curl, CURLOPT_DNS_LOCAL_IP4, "192.168.0.14");
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

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

       Added in 7.33.0

RETURN VALUE
       Returns CURLE_OK if the option is  supported,  CURLE_UNKNOWN_OPTION  if
       not,  CURLE_NOT_BUILT_IN  if  support  was disabled at compile-time, or
       CURLE_BAD_FUNCTION_ARGUMENT when given a bad address.

SEE ALSO
       CURLOPT_DNS_INTERFACE(3), CURLOPT_DNS_LOCAL_IP6(3),



libcurl 7.86.0                   May 17, 2022         CURLOPT_DNS_LOCAL_IP4(3)
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