C-(函数)交换两个数的值

#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>
#include <string.h>
void Swap(int* x,int* y)
{
    int z;
    z = *x;
    *x = *y;
    *y = z;

}
int main()
{
    int a = 10;
    int b = 20;

    printf("交换前：a=%d b=%d\n", a, b);
    Swap(&a, &b);
    printf("交换后：a=%d b=%d\n", a, b);

    return 0;
}