46 lines
1.2 KiB
Groff
46 lines
1.2 KiB
Groff
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.\" generated by cd2nroff 0.1 from CURLOPT_ADDRESS_SCOPE.md
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.TH CURLOPT_ADDRESS_SCOPE 3 "2025-07-07" libcurl
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.SH NAME
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CURLOPT_ADDRESS_SCOPE \- scope id for IPv6 addresses
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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_ADDRESS_SCOPE, long scope);
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.fi
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.SH DESCRIPTION
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Pass a long specifying the scope id value to use when connecting to IPv6 addresses.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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This functionality affects all supported protocols
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.SH EXAMPLE
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.nf
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#include <net/if.h> /* for if_nametoindex() */
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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 ret;
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long my_scope_id;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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my_scope_id = if_nametoindex("eth0");
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curl_easy_setopt(curl, CURLOPT_ADDRESS_SCOPE, my_scope_id);
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ret = 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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Added in curl 7.19.0
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.SH RETURN VALUE
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\fIcurl_easy_setopt(3)\fP returns a CURLcode indicating success or error.
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CURLE_OK (0) means everything was OK, non\-zero means an error occurred, see
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\fIlibcurl\-errors(3)\fP.
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Returns CURLE_BAD_FUNCTION_ARGUMENT if set to a negative value.
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.SH SEE ALSO
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.BR CURLOPT_DEBUGFUNCTION (3),
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.BR CURLOPT_STDERR (3)
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