CURLcode CheckConnection()
{
	CURLcode retCode = CURLE_GOT_NOTHING;
	curl_global_init(CURL_GLOBAL_DEFAULT);
	CURL *curlhandle = curl_easy_init();
	
	if (curlhandle)
	{
		curl_easy_setopt(curlhandle,CURLOPT_URL, "FTP://myserver.com");
		curl_easy_setopt(curlhandle,CURLOPT_USERPWD, "uname:pass");
		curl_easy_setopt(m_curlHandle, CURLOPT_TIMEOUT, 60); 
		curl_easy_setopt(m_curlHandle, CURLOPT_FTP_RESPONSE_TIMEOUT, 30);
	
		curl_easy_setopt(curlhandle, CURLOPT_PROXY, "myproxy.com");
		curl_easy_setopt(curlhandle,CURLOPT_PROXYUSERPWD, "proxyuname:proxypasswd");
		
		curl_easy_setopt(curlhandle, CURLOPT_WRITEFUNCTION,&write_data);
		char headerfilename[FILENAME_MAX] = "head.out";
		FILE *headerfile;
		fopen_s(&headerfile, headerfilename,"w");
		if (headerfile == NULL)
		{
			curl_easy_cleanup(curlhandle);
			return retCode;
		}
		curl_easy_setopt(curlhandle, CURLOPT_WRITEHEADER, headerfile);
		retCode = curl_easy_perform(curlhandle);
		curl_easy_cleanup(curlhandle);
	}
	curl_global_cleanup();
	return retCode;
}