void
bigger2 (double n1, double n2, double *result)
{
if (n1>n2)
*result = n1;
else
*result = n2;
}
int
main (void)
{
double x, y, result;
printf ("Enter a real number: ");
scanf ("%lf", &x);
printf ("Enter a real number: ");
scanf ("%lf", &y);
bigger2 (x, y, &result);
printf ("The largest number is %f.\n", result);
return (0);
}