linux-sysprog · beginner · ~15 min

Valid signal number?

Bound-check a signal number before using it.

Challenge

Implement int valid_signal(int sig) returning 1 if sig is in the usable range 1..64, else 0.

Starter code

int valid_signal(int sig) {
    /* TODO */
    return 0;
}

Solve this exercise in the browser editor — compile and run against the test harness, no setup required.