CURLOPT_RESOLVER_START_DATA(3) 맨 페이지 - 윈디하나의 솔라나라

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CURLOPT_RESOLVER_START_DATA(3)

curl_easy_setopt options                        CURLOPT_RESOLVER_START_DATA(3)



NAME
       CURLOPT_RESOLVER_START_DATA  -  pointer  passed  to  the resolver start
       callback

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RESOLVER_START_DATA,
                                 void *pointer);

DESCRIPTION
       Pass a pointer that will be untouched by  libcurl  and  passed  as  the
       third   argument   in   the  resolver  start  callback  set  with  CUR‐
       LOPT_RESOLVER_START_FUNCTION(3).

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       static int resolver_start_cb(void *resolver_state, void *reserved,
                                    void *userdata)
       {
         (void)reserved;
         printf("Received resolver_state=%p userdata=%p\n",
                resolver_state, userdata);
         return 0;
       }

       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_start_cb);
         curl_easy_setopt(curl, CURLOPT_RESOLVER_START_DATA, curl);
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
         curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.59.0

RETURN VALUE
       Returns CURLE_OK

SEE ALSO
       CURLOPT_RESOLVER_START_FUNCTION(3)



libcurl 7.86.0                   May 17, 2022
                                                CURLOPT_RESOLVER_START_DATA(3)
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