Implementation of Client Server model in C

This Tic Tac Toe game written in C language needs concept implementation of threading & socketing to implement the multiplayer. You will make to .c files. One will be server.c and the other one will be client.c. You are provided with complete code of working tic tac toe, All you have to do is take that code and just apply threading & socketing on it. Code is to be implemented strictly in C language, Not C++.