curl / libcurl / API / curl_easy_setopt / CURLOPT_ADDRESS_SCOPE

CURLOPT_ADDRESS_SCOPE explained

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, CURLOPT_DEBUGFUNCTION

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