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52 lines
1.5 KiB
Groff
52 lines
1.5 KiB
Groff
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.\" generated by cd2nroff 0.1 from CURLOPT_PORT.md
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.TH CURLOPT_PORT 3 "March 15 2024" libcurl
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.SH NAME
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CURLOPT_PORT \- remote port number to connect 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_PORT, long number);
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.fi
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.SH DESCRIPTION
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We discourage using this option since its scope is not obvious and hard to
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predict. Set the preferred port number in the URL instead.
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This option sets \fInumber\fP to be the remote port number to connect to,
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instead of the one specified in the URL or the default port for the used
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protocol.
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Usually, you just let the URL decide which port to use but this allows the
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application to override that.
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While this option accepts a \(aqlong\(aq, a port number is an unsigned 16 bit number
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and therefore using a port number lower than zero or over 65535 causes a
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\fBCURLE_BAD_FUNCTION_ARGUMENT\fP error.
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.SH DEFAULT
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By default this is 0 which makes it not used. This also makes port number zero
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impossible to set with this API.
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.SH PROTOCOLS
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Used for all protocols that speak to a port number.
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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_PORT, 8080L);
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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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Always
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.SH RETURN VALUE
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Returns CURLE_OK
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.SH SEE ALSO
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.BR CURLINFO_PRIMARY_PORT (3),
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.BR CURLOPT_STDERR (3),
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.BR CURLOPT_URL (3)
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