jv813yh / simple_example_tcp

Simple demo of a server and a client, they communicate together using the TCP communication channel without protection.

simple_example_tcp

The example_tcp folder contains a simple example of a server and a client which They communicate together using the TCP communication channel. The server works on port 8080 (macro PORT) . A client that knows the IP address server and the port number on which the server is listening will connect to the server. The client enters this information when calling the application. The client sends the data entered from the command line. The server provides a service that translates lowercase letters in the text sent to the client in capital letters (with toupper()) and sent back to the client. The client displays the received data on the screen.

No dynamic memory allocation, no socket multiplexing, it is possible to operate only one
duplex communication without creating other new connections.

If you want cryptographically secured communication: https://github.com/jv813yh/simple_example_tcp_salt_channel

Windows:

with .bat files or command line

Linux:

gcc tcp_client.c -Wall -Wextra -o2 -o tcp_client

gcc tcp_serve_toupper.c -Wall -Wextra -o2 -o tcp_server