用C语言格式写的一个基于UDP的数据传输模块，简单易用，仅需要先调用openUDPSender，指向IP与端口，然后便可以发送数据了，最后再调用closeUDPSender结束。-C language format used to write a UDP-based data transmission modules, easy to use, just have to call openUDPSender, point to IP and port, and then will be able to send data, and then call the end of closeUDPSender.