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Clone one, run it, and watch your minitalk either shine or shatter. Then, fix the shatter. Good luck, cadet.

Minitalk requires students to create a client and a server program that communicate exclusively using the SIGUSR1 and SIGUSR2 signals.

The following repositories are widely used by 42 students to stress-test their implementation:

Don't just rely on the "OK" from a tester. During your defense, the evaluator will likely look at your signal handling logic

But Alex knew better than to trust the success visible on the screen. In the world of C, what works in a "happy path" scenario often crumbles under the weight of edge cases. The evaluator was due in the morning, and they needed a validator—a tool that would ruthlessly check every possible failure point.

: You must use only SIGUSR1 and SIGUSR2 for all data transmission.