#include<iostream.h>
char *buf()
{
    char abc[10]="abc";
    char *bb=abc;
    cout<<bb<<endl;
    return bb;
}

int main()
{
    char abc[10]="123";
         cout<<buf()<<endl;//1
    *buf()=abc;
    cout<<buf()<<endl;//2
    return 0;
}
//为什么１和２分别输出的不是abc和123