42 | Exam 06

Good luck, and remember: keep your logic simple and your error handling robust! or a deep dive into how manages multiple file descriptors?

The server must output specific messages to all connected clients for certain events: Client Connection server: client %d just arrived\n Client Disconnection server: client %d just left\n client %d: Quick Implementation Tips Client IDs 42 Exam 06

While exam iterations can slightly vary, the standard prompt requires you to write a program that takes a port as its sole command-line argument. Required Behavior Good luck, and remember: keep your logic simple

: You must use the select() function (non-blocking I/O) to monitor multiple file descriptors (sockets) simultaneously. Required Behavior : You must use the select()

select() solves this by monitoring multiple file descriptors simultaneously. It sleeps until one or more file descriptors become "ready" for an operation (such as reading or writing). The Four Essential Macros