int main(void)
{
    int number = 10;
    int count = 200;
    char *str[]={"abh","cd","ef","gh","ij","kl"};//他存的只是地址。现在就很好理解了。
    //跟地址里面的内容没有任何关系
    char *t;
    t=(str+4)[-1];
    printf("%s",t);
    return 0;
}