Program to Swap values of two numbers using pointer

#include<stdio.h>
#include<conio.h>

void swap(int*,int*);
int main()
{
   int num1, num2;

   printf("\nEnter the first number : ");
   scanf("%d", &num1);
   printf("\nEnter the Second number : ");
   scanf("%d", &num2);

   swap(&num1, &num2);

   printf("\nFirst number  : %d", num1);
   printf("\nSecond number : %d", num2);
   getch();
   return (0);
}

void swap(int *num1, int *num2)
{
   int temp;
   temp = *num1;
   *num1 = *num2;
   *num2 = temp;
}