func errorResponse(code int, msg string) {
	fmt.Printf("Status: %d %s\r\n", code, msg)
	fmt.Printf("Content-Type: text/plain\r\n")
	fmt.Printf("\r\n")
	fmt.Printf("%s\r\n", msg)
}

func main() {
	req, err := cgi.Request()
	if err != nil {
		errorResponse(500, "cannot get cgi request" + err.Error())
	}

	fmt.Printf("Content-Type: text/plain\r\n")
	fmt.Printf("\r\n")
	fmt.Printf("req=%v\r\n", req)
	fmt.Printf("body=%v\r\n", req.Body)
}