C Program to swap two integer using pointer

Program

#include<stdio.h>

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

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);

return (0);
}