指针运算

 

#include <iostream>
using namespace std;
int main()
{
    int a =100;
    int *b = &a;
    char *c;
    char *d = "hello world";
    c = d;
    cout << "a = " << a << endl;    //100
    cout << "b = " << b << endl;    //0x7bffd
    cout << "*b = " << *b <<endl;   //100
    cout << "c = " << c <<endl;     //hello world
    cout << "d = " << d <<endl;     //hello world
    cout << "*c = " << *c <<endl;   //h
    cout << "*d = " << *d <<endl;   //h
    return 0;
}