focal (3) CURLOPT_ADDRESS_SCOPE.3.gz

NAME

       CURLOPT_ADDRESS_SCOPE - set scope id for IPv6 addresses

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ADDRESS_SCOPE, long scope);

DESCRIPTION

       Pass a long specifying the scope id value to use when connecting to IPv6 addresses.

DEFAULT

       0

PROTOCOLS

       All, when using IPv6

EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
         CURLcode ret;
         long my_scope_id;
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
         my_scope_id = if_nametoindex("eth0");
         curl_easy_setopt(curl, CURLOPT_ADDRESS_SCOPE, my_scope_id);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

AVAILABILITY

       Added in 7.19.0

RETURN VALUE

       Returns   CURLE_OK   if   the   option   is   supported,   and   CURLE_UNKNOWN_OPTION  if  not.   Returns
       CURLE_BAD_FUNCTION_ARGUMENT if set to a negative value.

SEE ALSO

       CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),