// ptr2.cpp 		By: Aiman Hanna -  ©1993-2006 Aiman Hanna

// This program attempts to fix the problem of ptr1.cpp. However, this program
// also does not work. Why?

// Key Points: 	1) Assigning "NULL" or 0 (zero) to a pointer. 

#include <iostream.h>

int main()
{

 int *p = NULL, *q = 0;

 *q = 5;
 p = q;

 cout << *p << "\n";

 return 0;

}           

















                    

/*

// The following is the result of compilation on HP-UX
// Compilation successful


// The following is the result of running the program on HP-UX

//Bus error(coredump)


*/


// On Windows, no warning will be given but the program will crash when 
// you attempt to run it