NAME

CURLOPT_ADDRESS_SCOPE - 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

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.