CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXYPORT, long port);
.SH DESCRIPTION
Pass a long with this option to set the proxy port to connect to unless it is
-specified in the proxy string \fICURLOPT_PROXY(3)\fP or uses the default one.
+specified in the proxy string \fICURLOPT_PROXY(3)\fP or uses 443 for https
+proxies and 1080 for all others as default.
While this accepts a 'long', the port number is 16 bit so it can't be larger
than 65535.