fig05_13.cpp

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// Fig. 5.13: fig05_13.cpp
// Attempting to modify a constant pointer to
// non-constant data
#include <iostream>

int main()
{
   int x, y;

   int * const ptr = &x; // ptr is a constant pointer to an 
                         // integer. An integer can be modified
                         // through ptr, but ptr always points 
                         // to the same memory location.
   *ptr = 7;
   ptr = &y;

   return 0;
}




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