Swapping Numbers

#include <stdio.h>
void swap(int*x,int*y) {
    int temp=*x;
    *x=*y;
    *y=temp;
}
int main() {
    int a,b;
    printf("a= ");
    scanf("%d",&a);
    printf("b= ");
    scanf("%d",&b);
    printf("Before swapping: a=%d,b=%d\n",a,b);
    swap(&a,&b);
    printf("After swapping: a=%d,b=%d\n",a,b);
    return 0;
}