void main() { int i; i = 0; while (i <= 10) { print_int(fibonacci(i)); print_char('\n'); i = i + 1; }; } int fibonacci(int n) { if (n <= 0) { return 0; }; if (n == 1) { return 1; }; int fib2; fib2 = fibonacci(n - 2); int fib1; fib1 = fibonacci(n - 1); return fib2 + fib1; }