include<stdio.h>#include<string.h>void main() { char s[2][80]={ "aaa","bbbb" },char buf[80]; strcpy(buf,s[0]); strcpy(s[0],s[1]); strcpy(s[1],buf); //类似于整数变量交换值 printf("%s\n%s\n",s[0],s[1]);} ...