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        !            23: .TH CURLOPT_PORT 3 "May 31, 2017" "libcurl 7.70.0" "curl_easy_setopt options"
        !            24: 
        !            25: .SH NAME
        !            26: CURLOPT_PORT \- set remote port number to work with
        !            27: .SH SYNOPSIS
        !            28: #include <curl/curl.h>
        !            29: 
        !            30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PORT, long number);
        !            31: .SH DESCRIPTION
        !            32: This option sets \fInumber\fP to be the remote port number to connect to,
        !            33: instead of the one specified in the URL or the default port for the used
        !            34: protocol.
        !            35: 
        !            36: Usually, you just let the URL decide which port to use but this allows the
        !            37: application to override that.
        !            38: 
        !            39: While this option accepts a 'long', a port number is usually a 16 bit number
        !            40: and therefore using a port number over 65535 will cause a run-time error.
        !            41: .SH DEFAULT
        !            42: By default this is 0 which makes it not used.
        !            43: .SH PROTOCOLS
        !            44: Used for all protocols that speak to a port number.
        !            45: .SH EXAMPLE
        !            46: .nf
        !            47: CURL *curl = curl_easy_init();
        !            48: if(curl) {
        !            49:   curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin");
        !            50:   curl_easy_setopt(curl, CURLOPT_PORT, 8080L);
        !            51:   ret = curl_easy_perform(curl);
        !            52:   curl_easy_cleanup(curl);
        !            53: }
        !            54: .fi
        !            55: .SH AVAILABILITY
        !            56: Always
        !            57: .SH RETURN VALUE
        !            58: Returns CURLE_OK
        !            59: .SH "SEE ALSO"
        !            60: .BR CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "