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50 lines
1.5 KiB
Groff
50 lines
1.5 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_DNS_LOCAL_IP6.md
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.TH CURLOPT_DNS_LOCAL_IP6 3 "March 15 2024" libcurl
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.SH NAME
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CURLOPT_DNS_LOCAL_IP6 \- IPv6 address to bind DNS resolves to
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_LOCAL_IP6, char *address);
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.fi
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.SH DESCRIPTION
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Set the local IPv6 \fIaddress\fP that the resolver should bind to. The argument
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should be of type char * and contain a single IPv6 address as a string. Set
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this option to NULL to use the default setting (do not bind to a specific IP
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address).
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The application does not have to keep the string around after setting this
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option.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
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curl_easy_setopt(curl, CURLOPT_DNS_LOCAL_IP6, "fe80::a9ff:fe46:b619");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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This option requires that libcurl was built with a resolver backend that
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supports this operation. The c\-ares backend is the only such one.
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Added in 7.33.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not,
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CURLE_NOT_BUILT_IN if support was disabled at compile\-time, or
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CURLE_BAD_FUNCTION_ARGUMENT when given a bad address.
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.SH SEE ALSO
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.BR CURLOPT_DNS_INTERFACE (3),
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.BR CURLOPT_DNS_LOCAL_IP4 (3),
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.BR CURLOPT_DNS_SERVERS (3)
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