swap with call by value.c

#include <stdio.h>

int swap(int x, int y); // function prototype 

int main() 
{
    int a, b;
    printf("ENTER THE TWO NUMBERS \n");
    scanf(" %d\n %d\n",&a , &b); 

    printf("\nBEFORE THE SWAPPING \na=%d \nb=%d \n",a , b);

    swap(a,b);    
    return 0;

}

int swap(int x ,int y)   // call by value
{
    int temp;
    
    temp = x;
    x = y;
    y = temp;

    printf("\nAFTER THE SWAPPING \na=%d \nb=%d \n ", x, y);

    return 0;
}

/*made by vipul kumar singh 
roll no. 06216412820
B tech First year */