ns2网络仿真中需要的s-mac协议s-mac.h和s-mac.c文件-NS2 network simulation of S-MAC protocol s-mac.h and s-mac.c files

Mac 协议无线链路子层修改程序，逻辑链路子层协议用于水下无线传感器网络协议的仿真实验-Mac protocol of wireless link sublayer to modify the program, the logical link sub-layer protocol used for underwater wireless sensor network protocol simulation experiment