本代码仅供用户熟悉建立和发送TCP数据流程进行参考，代码中部分函数没有函数体

* 但是已经注明该函数的相应功能，需用户根据自己使用的硬件来添加，用户也可以

*　　　　　　根据自己的需要对本例程进行部分调整与优化。-This code is only familiar to users to create and send TCP data flow reference in part a function of the code does not function body* but already indicate that the function of the corresponding function, need to add users according to their own use of hardware, the user can also* according to their own part of the adjustment and optimization of the routine.