string AddString(const string& a,const string & b)

{

    return a + b;

}

int _tmain(int argc, _TCHAR* argv[])

{

    const char * szA = "Zhang";

    const char * szB = ;

    string strRet = AddString(szA,szB);

    cout<<strRet<<endl;

    system("pause");

    return ;

}