C语言 现有4名用户的信息,包括姓名、年龄、电话、籍贯,请编程按照他 ...答:char phone[20];char native[30];}s[4]={{"Liu", 34, "5643213", "Guangzhou"}, {"Xu", 27, "2113456", "Shanghai"}, {"Zhang", 26, "2201100", "Wuhan"}, {"Yang", 33, "6201101", "Shenzhen"}};int main(){struct stu t; //要交换的是结构体int i, j;for(i=0;...