Program is to swap the two values which are enter by user:
Program is to swap the two values which are enter by user through the function with values changed using pointers
void swap(int *p,int *q);
void main()
{
clrscr();
int a,b;
cout<<" enter the number ";
cin>>a;
cout<<" enter the number ";
cin>>b;
swap(&a,&b);
cout<<" the numbers after the value being changed "<<"\n"<
}
void swap(int *p,int *q)
{
int r;
r=*p;
*p=*q;
*q=r;
}