C语言中还有哪些交换变量值的方法？

Question

C语言中还有哪些交换变量值的方法？

#include<stdio.h>
void swap(int *a, int *b);

int main(){
    int a = 3;
    int b = 10;    
    swap(&a,&b);
    printf("a=%d,b=%d\n",a,b);
}

void swap(int *a, int *b){
    int t = *a;
    *a = *b;
    *b = t;

}

Answer 1

https://www.jianshu.com/p/77983e413239