swapping code using funcion in c++

                       SWAP FUNCION

 

//use header files syntax according to the compiler

#include<iostream.h>
#include<conio.h>

void swap(int c, int d)

{

  int temp;

  temp=c;

  c=d;

  d=temp;

  cout<<" after swapping ";

  cout<<"c:"<<c<<" d:"<<d;

}

                            Main Programme

void main()

{

  int a,b;

  cout<<"enter 2  numbers:";

  cin>>a>>b;

  cout<<"a:"<<a<<" b:"<<b;

  swap(a,b);

  getch();

}