#include //查找最长的串void fun(char str[10][81],char **sp) { int i; *sp = str[0]; for(i = 1;i < 10;i++) if(strlen(*sp) < strlen(str[i])) *sp = str[i];}
str[0]
*sp=str[i]
1. *sp = str[0]2. *sp = str[i];
str[0]*sp = str[i]
分别填0和10。