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23 .TH CURLOPT_DNS_LOCAL_IP6 3 "May 31, 2017" "libcurl 7.59.0" "curl_easy_setopt options"
26 CURLOPT_DNS_LOCAL_IP6 \- IPv6 address to bind DNS resolves to
28 #include <curl/curl.h>
30 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_LOCAL_IP6, char *address);
32 Set the local IPv6 \fIaddress\fP that the resolver should bind to. The
33 argument should be of type char * and contain a single IPv6 address as a
34 string. Set this option to NULL to use the default setting (don't bind to a
37 The application does not have to keep the string around after setting this
45 CURL *curl = curl_easy_init();
47 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
48 curl_easy_setopt(curl, CURLOPT_DNS_LOCAL_IP6, "fe80::a9ff:fe46:b619");
49 ret = curl_easy_perform(curl);
50 curl_easy_cleanup(curl);
54 This option requires that libcurl was built with a resolver backend that
55 supports this operation. The c-ares backend is the only such one.
59 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not,
60 CURLE_NOT_BUILT_IN if support was disabled at compile-time, or
61 CURLE_BAD_FUNCTION_ARGUMENT when given a bad address.
63 .BR CURLOPT_DNS_INTERFACE "(3), " CURLOPT_DNS_LOCAL_IP4 "(3), "