master-server/deps/curl/docs/libcurl/opts/CURLOPT_ADDRESS_SCOPE.3

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.TH CURLOPT_ADDRESS_SCOPE 3 "19 Jun 2014" libcurl libcurl
.SH NAME
CURLOPT_ADDRESS_SCOPE \- scope id for IPv6 addresses
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ADDRESS_SCOPE, long scope);
.fi
.SH DESCRIPTION
Pass a long specifying the scope id value to use when connecting to IPv6 addresses.
.SH DEFAULT
0
.SH PROTOCOLS
All, when using IPv6
.SH EXAMPLE
.nf
#include <net/if.h> /* for if_nametoindex() */
int main(void)
{
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);
}
}
.fi
.SH AVAILABILITY
Added in 7.19.0
.SH 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.
.SH "SEE ALSO"
.BR CURLOPT_DEBUGFUNCTION (3),
.BR CURLOPT_STDERR (3)