Mine

CURL *curl = curl_easy_init();

	curl_easy_setopt(curl, CURLOPT_FORBID_REUSE, 1); // Forbid keepalive connections.
	curl_easy_setopt(curl, CURLOPT_USERAGENT, useragent.c_str());
	curl_easy_setopt(curl, CURLOPT_PROXY, proxyserver.c_str());
	curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, proxyinfo.c_str());

	curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, curl_header_write);
	curl_easy_setopt(curl, CURLOPT_WRITEHEADER, this);
	
	curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, curl_debug_callback);
	

	if (proxyauth) {
		curl_easy_setopt(curl, CURLOPT_USERPWD, proxyinfo.c_str());
		curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
	} else {
		curl_easy_setopt(curl, CURLOPT_PROXYAUTH, 0);
	}
	
	curl_easy_setopt(curl, CURLOPT_TIMEOUT , 30);
	
	if (!readytosubmit)
	{
		curl_easy_setopt(curl, CURLOPT_HTTPGET, 1);
		curl_easy_setopt(curl, CURLOPT_URL, hsstring.c_str());
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, hs_write_data);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
		curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curlerror);
	} else
	{
		curl_easy_setopt(curl, CURLOPT_POSTFIELDS, submit.c_str());
		curl_easy_setopt(curl, CURLOPT_URL, submiturl.c_str());
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, submit_write_data);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
		curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curlerror);
	}

		WaitForSingleObject(curlmutex, INFINITE);

		success = curl_easy_perform(curl);