CURLOPT_ADDRESS_SCOPE(3) curl_easy_setopt options CURLOPT_ADDRESS_SCOPE(3)
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
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),
libcurl 7.81.0 November 26, 2021 CURLOPT_ADDRESS_SCOPE(3)
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