Pass by reference(swapping)

 Program for Passby reference-PARAMETER PASSING

#include<iostream.h>
#include<conio.h>
void swap(int *,int *);
void main()
{
int a,b;
cout<<"Enter any two numbers";
cin>>a>>b;
swap(&a,&b);
cout<<"\n the swapped valuesin the main funtion are"<<a<<"and"<<b;
getche();
}
void swap(int *x,int *y)
{
int t;
t=*x;
*x=*y;
*y=t;
cout<<"\n the  swapped values in the function are"<<  *x<<"and"<<     *y;

}