Recursion in C

Recursion in C — a practical guide to C recursion with clear examples you can reuse in real projects.

C Programming Tutorial Series (44/102). Prefer one article? Read the complete C programming tutorial.

Short description

Always define a base case; watch stack depth.

Factorial

long factorial(int n) {
    if (n <= 1) return 1;
    return n * factorial(n - 1);
}