Sample 4.19：addpntrs.cpp

#include<iostream>
int main()
{
using namespace std;
double wage[3] = {10000.0, 20000.0, 30000.0};
short stacks[3] = {3, 2, 1};

double * pw = wages;
short * ps = &stacks[0];
cout << "pw = " << pw << ", *pw = " << *pw << endl;
pw = pw + 1;
cout << "add 1 to the pw pointer:\n";
cout << "pw = " << pw << ", *pw = " << *pw << "\n\n";

cout << "ps = " << ps << ", *ps = " << *ps << endl;
ps = ps + 1;
cout << "add 1 ot the ps pointer:\n";
cout << "ps = " << ps << ", *ps = " << *ps << "\n\n";

cout << "access two elements with  array notation\n";
cout << "stacks[0] = " << stacks[0] << ", stacks[1] = " << stacks[1] << endl;
cout << "access two elements with pointer notation\n";
cout << "*stacks = " << *stacks << ", (stacks + 1) = " << *(stacks + 1) << endl;

cout << sizeof(wages) << " = size of wages array\n";
cout << sizeod(pw) <, " = size of pw pointer\n";
return 0;
}