// ==========================================================================
// $Id: char_pointer.cpp,v 1.7 2014/09/10 17:18:02 jlang Exp $
// CSI2372 example Code for lecture 2
// ==========================================================================
// (C)opyright:
//
//   Jochen Lang
//   SITE, University of Ottawa
//   800 King Edward Ave.
//   Ottawa, On., K1N 6N5
//   Canada. 
//   http://www.site.uottawa.ca
// 
// Creator: jlang (Jochen Lang)
// Email:   jlang@site.uottawa.ca
// ==========================================================================
// $Log: char_pointer.cpp,v $
// Revision 1.7  2014/09/10 17:18:02  jlang
// Added char_num_pointer example. Changed to C++ brace initialization.
//
// Revision 1.6  2011/09/10 01:08:19  jlang
// Updates F10
//
// Revision 1.5  2008/09/08 21:48:32  jlang
// Clearer size computation
//
// Revision 1.4  2007/09/12 18:36:59  jlang
// Extra comments
//
// Revision 1.3  2007/09/12 16:59:31  jlang
// Use of size_t
//
// Revision 1.2  2006/09/18 17:57:15  jlang
// Hexadecimal output for address
//
// Revision 1.1  2006/09/07 20:06:17  jlang
// Initial check-in lecture 0-2
//
// Revision 1.2  2005/10/07 23:14:20  jlang
// Lecture 4
//
// Revision 1.1.1.1  2005/09/21 21:22:14  jlang
// Initial check-in
//
//
// ==========================================================================
#include <iostream>
#include <iomanip>


using std::cout;
using std::endl;

int main()
{
  char sentence[]{"Old style C-string"};
  char *ptrSentence;
  ptrSentence = &sentence[0]; 
  // Size of array in bytes
  cout << "Array size (bytes): " << sizeof(sentence) << endl;
  // Size of dereferenced pointer in byte
  cout << "Size of *ptr (bytes): " << sizeof(*ptrSentence) << endl;

  // Content of first and last character plus terminal 0
  cout << *ptrSentence << " to " << *(ptrSentence+17) << " plus " 
       << (unsigned int) *(ptrSentence+18) << endl; 
  // Addresses of first character and of  terminal 0
  // Need to make sure that is shows as address and not as string
  cout << std::hex << (size_t) ptrSentence << " to " 
       << (size_t) (ptrSentence+18) << std::dec << endl; 
  // Length in Bytes
  cout << "String Length: " << (size_t) (ptrSentence+17) 
    - (size_t) ptrSentence + 1 << " (excluding terminal 0)" << endl;
}