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                     23: .TH CURLOPT_DNS_LOCAL_IP6 3 "May 31, 2017" "libcurl 7.70.0" "curl_easy_setopt options"
                     24: 
                     25: .SH NAME
                     26: CURLOPT_DNS_LOCAL_IP6 \- IPv6 address to bind DNS resolves to
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_LOCAL_IP6, char *address);
                     31: .SH DESCRIPTION
                     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
                     35: specific IP address).
                     36: 
                     37: The application does not have to keep the string around after setting this
                     38: option.
                     39: .SH DEFAULT
                     40: NULL
                     41: .SH PROTOCOLS
                     42: All
                     43: .SH EXAMPLE
                     44: .nf
                     45: CURL *curl = curl_easy_init();
                     46: if(curl) {
                     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);
                     51: }
                     52: .fi
                     53: .SH AVAILABILITY
                     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.
                     56: 
                     57: Added in 7.33.0
                     58: .SH RETURN VALUE
                     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.
                     62: .SH "SEE ALSO"
                     63: .BR CURLOPT_DNS_INTERFACE "(3), " CURLOPT_DNS_LOCAL_IP4 "(3), "