// Pantea Aria

// pointers recap

// Write a program that:
// send two variables to a function
// swap them
// print them in the main


#include <stdio.h>
void swap(int *num1, int *num2);
int main() {
    int num1, num2;
    printf("Enter two integers:");
    scanf("%d %d", &num1, &num2);

    printf("\nnum1 = %d and num2 = %d before swap", num1, num2);

    // call swap
    swap(&num1, &num2);

    printf("\nnum1 = %d and num2 = %d after swap\n", num1, num2);

    return 0;
}    
void swap(int *num1, int *num2) {

    int temp = *num1;
    *num1 = *num2;
    *num2 = temp;
    printf("\nnum1 = %d and num2 = %d in swap", *num1, *num2);
}