#include <iostream>
#include <string.h>
using namespace std;
class mystring
{public:
char * pdata;
mystring(int len)
{pdata=new char[len+1];
}
~mystring()
{delete pdata;}
void show(){cout<<pdata<<endl;}
};
void fun(mystring** array,int len)
{mystring*old=*array;
_______;
memcpy(*array, old, len);
}
void main()
{mystring str(20);
mystring*pstr=&str;
mystring**ppstr=&pstr;
strcpy(str.pdata,"hello,andylin");
fun(ppstr, 20);
_______
}
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