用RTP实现的发送与接收通讯程序，适合入门者-RTP achieved by sending and receiving the communication process, suitable for beginners

C++实现的网络报警程序，前段为网络摄像机。开发网络摄像机报警的入门者可以参考。-Achieve C++ network alarm program, preceding the network camera. Development network camera alarm beginners can refer to.