CURLOPT_DNS_SERVERS(3) 맨 페이지 - 윈디하나의 솔라나라

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CURLOPT_DNS_SERVERS(3)

CURLOPT_DNS_SERVERS(3)     curl_easy_setopt options     CURLOPT_DNS_SERVERS(3)



NAME
       CURLOPT_DNS_SERVERS - DNS servers to use

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_SERVERS, char *servers);

DESCRIPTION
       Pass a char * that is the list of DNS servers to be used instead of the
       system default. The format of the dns servers option is:

       host[:port][,host[:port]]...

       For example:

       192.168.1.100,192.168.1.101,3.4.5.6

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

DEFAULT
       NULL - use system default

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_SERVERS, "192.168.1.100:53,192.168.1.101");
         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 7.24.0

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,
       CURLE_BAD_FUNCTION_ARGUMENT when  given  an  invalid  server  list,  or
       CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
       CURLOPT_DNS_LOCAL_IP4(3), CURLOPT_DNS_CACHE_TIMEOUT(3),



libcurl 7.86.0                   May 17, 2022           CURLOPT_DNS_SERVERS(3)
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