DOKK / manpages / debian 10 / libcurl4-doc / CURLOPT_ADDRESS_SCOPE.3.en
CURLOPT_ADDRESS_SCOPE(3) curl_easy_setopt options CURLOPT_ADDRESS_SCOPE(3)

CURLOPT_ADDRESS_SCOPE - set scope for local IPv6 addresses

#include <curl/curl.h>

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

Pass a long specifying the scope_id value to use when connecting to IPv6 link-local or site-local addresses.

0

All, when using IPv6

CURL *curl = curl_easy_init();
if(curl) {

CURLcode ret;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
/* 0x2 link-local
0x5 site-local
0x8 organization-local
0xe global ... */
curl_easy_setopt(curl, CURLOPT_ADDRESS_SCOPE, 0xEL);
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl); }

Added in 7.19.0

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

CURLOPT_STDERR(3), CURLOPT_DEBUGFUNCTION(3),

May 31, 2017 libcurl 7.64.0