// D test program functions.d  CSE413 6/99, rev 5/00

// Scope test.  These functions do nothing particularly interesting,
// but they do it in interesting ways.

int f(int x,int y)
{
 int g ;

 if (x > y)
 	g = x * y - x;
 else 
 	g = x - y *x ;
 return g(x,g);
 }
 
 int g(int x, int y)
 {
  // exchange values of x and y (how?)
  x = x + y;
  y = x - y;
  x = x - y;
  return x;
 }

 int main()
 {
  return f(17,42);
 }