fib.c

FinC is Fava in C! A C-like syntax language. It s designed to apply to embededd system.

int fib(int n)
{
    if (n <= 2)
        return 1;
    else
        return fib(n-1) + fib(n-2);
}

int main() 
{
    int n=20;
	
    printf("fib(%d) = %d\n", n, fib(n));
}