了解与unix下socket编程相关的各种系统调用加深对tcp/udp协议的理解
1.掌握linux下socket编程相关的各种系统调用socketbindconnectlistenacceptread,recvfromwrite,sendtoclose2.理解tcp与udp通讯机制的区别
1.掌握linux下socket编程相关的各种系统调用socketbindconnectlistenacceptread,recvfromwrite,sendtoclose2.理解tcp与udp通讯机制的区别