Below you’ll find the code of a simple server-client program in C using UDP sockets for the transmission. Basically the client sends a message to the server, the server converts the message to uppercase and returns it to the client. If you want to see a simpler program first check this client-server program that only […]

Below you’ll find an example of a client-server application that uses sockets programming in C. Basically the server listens for connection requests, and whatever message the client sends the server converts it to uppercase and sends it back. You could see this as the server providing a service of converting strings to uppercase. The server […]

Below you’ll find an example of a very simple client-server program in C. Basically the client connects to the server, the server sends the message “Hello World”, and the client prints the received message. Keep in mind that I am configuring the settings manually. If you want your code to be IPV4-IPV6 agnostic, IP agnostic […]