说明：  tcp数据独立发送，可以用来传输大文件及视频数据，注意，还要tcp数据独立接收配合！！里面已经编译好windows下exe文件，linux下用gcc编译就OK（就一个单独文件）
(TCP data separate to send, can be used to transfer large files and video data, attention, and TCP data independent receive cooperation!! Has been compiled in good under Windows exe file, compiled using GCC is OK (under Linux is a separate file)