给定两个整形变量的值，将两个值的内容进行交换

给定两个整形变量的值，将两个值的内容进行交换
#include <stdio.h>
void Swap(int *x, int *y)
{
int tmp;
tmp = *x;
*x = *y;
*y = tmp;
}
int main(){
int a = 10;
int b = 20;
Swap(&a, &b);
printf("a= %d  b = %d\n", a,b);
return 0;
}