字符数组指针访问

 把下面代码放到MAIN函数中编译运行，看效果。

 

 

char * arr[3][5]={{"one","two","three","four","five"},              {"Aa","Bb","Cc","Dd","Ee"},{"Ok","World","Good","Luckly","God"}};

 char ** p; p=&arr[0][0];

 cout<<"数组指针的地址为:"<<&p<<endl; //a[0][0]; cout<<"指针指向数组的首地址a[0][0]为:"<<p<<"一维数组的首址为:"<<(int*)*p<<"存放的值为:"<<*p<<endl; cout<<p<<"=======>"<<(int*)*p<<"=======>"<<*p<<endl; cout<<"                "<<(int*)*p<<"=======>"<<**p<<endl;//因为*p是指向一维数组的指针，前面加*即取地址内容 cout<<"                "<<(int*)(*p+1)<<"=======>"<<*(*p+1)<<endl; cout<<"                "<<(int*)(*p+2)<<"=======>"<<*(*p+2)<<endl;

 //a[0][1]; cout<<"指针指向数组的第a[0][1]地址为:"<<p+1<<"一维数组的首址为:"<<(int*)*(p+1)<<"存放的值为:"<<*(p+1)<<endl; cout<<p+1<<"=======>"<<(int*)*(p+1)<<"=======>"<<*(p+1)<<endl; cout<<"                "<<(int*)*(p+1)<<"=======>"<<**(p+1)<<endl; cout<<"                "<<(int*)(*(p+1)+1)<<"=======>"<<*(*(p+1)+1)<<endl; cout<<"                "<<(int*)(*(p+1)+2)<<"=======>"<<*(*(p+1)+2)<<endl;

 //a[0][2];    cout<<"指针指向数组的第a[0][2]地址为:"<<p+2<<"一维数组的首址为:"<<(int*)*(p+2)<<"存放的值为:"<<*(p+2)<<endl; cout<<p+2<<"=======>"<<(int*)*(p+2)<<"=======>"<<*(p+2)<<endl; cout<<"                "<<(int*)*(p+2)<<"=======>"<<**(p+2)<<endl; cout<<"                "<<(int*)(*(p+2)+1)<<"=======>"<<*(*(p+2)+1)<<endl; cout<<"                "<<(int*)(*(p+2)+2)<<"=======>"<<*(*(p+2)+2)<<endl; cout<<"                "<<(int*)(*(p+2)+3)<<"=======>"<<*(*(p+2)+3)<<endl; cout<<"                "<<(int*)(*(p+2)+4)<<"=======>"<<*(*(p+2)+4)<<endl;

 //a[0][3]; cout<<"指针指向数组的第a[0][3]地址为:"<<p+3<<"一维数组的首址为:"<<(int*)*(p+3)<<"存放的值为:"<<*(p+3)<<endl; cout<<p+3<<"=======>"<<(int*)*(p+3)<<"=======>"<<*(p+3)<<endl; cout<<"                "<<(int*)*(p+3)<<"=======>"<<**(p+3)<<endl; cout<<"                "<<(int*)(*(p+3)+1)<<"=======>"<<*(*(p+3)+1)<<endl; cout<<"                "<<(int*)(*(p+3)+2)<<"=======>"<<*(*(p+3)+2)<<endl; cout<<"                "<<(int*)(*(p+3)+3)<<"=======>"<<*(*(p+3)+3)<<endl;

 //a[0][4]; cout<<"指针指向数组的第a[0][4]地址为:"<<p+4<<"一维数组的首址为:"<<(int*)*(p+4)<<"存放的值为:"<<*(p+4)<<endl; cout<<p+4<<"=======>"<<(int*)*(p+4)<<"=======>"<<*(p+4)<<endl; cout<<"                "<<(int*)*(p+4)<<"=======>"<<**(p+4)<<endl; cout<<"                "<<(int*)(*(p+4)+1)<<"=======>"<<*(*(p+4)+1)<<endl; cout<<"                "<<(int*)(*(p+4)+2)<<"=======>"<<*(*(p+4)+2)<<endl; cout<<"                "<<(int*)(*(p+4)+3)<<"=======>"<<*(*(p+4)+3)<<endl;

 //a[0][5];实际上是a[1][0]; cout<<"指针指向数组的第a[0][5]地址为:"<<p+5<<"一维数组的首址为:"<<(int*)*(p+5)<<"存放的值为:"<<*(p+5)<<endl; cout<<"a[1][0]的地址为"<<(int*)&arr[1][0]<<endl; cout<<p+5<<"=======>"<<(int*)*(p+5)<<"=======>"<<*(p+5)<<endl; cout<<"                "<<(int*)*(p+5)<<"=======>"<<**(p+5)<<endl; cout<<"                "<<(int*)(*(p+5)+1)<<"=======>"<<*(*(p+5)+1)<<endl;

    cout<<"其它剩下的相信大家也会去取了"<<endl;