42 Exam 06 Jun 2026
: Assign a unique integer ID to each client as they connect, starting from 0 and incrementing by 1 for each new arrival. Broadcasting Messages :
Creating, binding, and listening on a socket.
Be fluent in strcpy , strcat , strlen , and custom get_next_line functions. 42 Exam 06
while (waitpid(-1, NULL, WNOHANG) > 0);
Correctly handling the recv return value of 0 (which indicates a client disconnection) is crucial to avoid "server: client %d just left" errors, as described on GitHub . : Assign a unique integer ID to each
In the context of the 42 School curriculum, typically requires you to develop a simplified TCP/IP multi-client chat server (often called mini_serv ) in C. The core objective is to manage multiple simultaneous connections and broadcast messages without using threads, relying instead on non-blocking I/O multiplexing. Core Technical Features to Implement
Use the pipe as a control channel. Parent writes "EXIT" to the pipe, children read from it. Core Technical Features to Implement Use the pipe
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