Introduction - If you have any usage issues, please Google them yourself
1. Write a C/S based on streaming socket communication program, the client and the server after the connection is established, the client to the server to send a simple four formula (containing only one operator), after the server receives this formula, the calculated, and the calculated results back to the client, the client to display results. Requirements:
(1) the server can serve multiple clients at the same time.
(2) using the model implementation.
2. As the experiment 1 echo server using the model.
3. Implement a chat program, require the use of WSAAyncSelect (asynchronous) model