#include <iostream> using namespace std; extern "C" int fib(unsigned int n); int fib(unsigned int n) { if ((n==0) || (n==1)) return 1; return fib(n-1) + fib(n-2); } int main() { int theValue = 0; cout << "Enter value for fib(): " << endl; cin >> theValue; int theResult = fib(theValue); cout << "The result is: " << theResult << endl; return 0; }