// Fig. 22.4: fig22_04.cpp// Demonstrating operator keywords.#include <iostream>using std::boolalpha;using std::cout;using std::endl;#include <iso646.h> // enables operator keywords in Microsoft Visual C++int main(){   bool a = true;   bool b = false;   int c = 2;   int d = 3;   // sticky setting that causes bool values to display as true or false   cout << boolalpha;    cout << "a = " << a << "; b = " << b       << "; c = " << c << "; d = " << d;   cout << "\n\nLogical operator keywords:";   cout << "\n   a and a: " << ( a and a );     cout << "\n   a and b: " << ( a and b );     cout << "\n    a or a: " << ( a or a );   cout << "\n    a or b: " << ( a or b );   cout << "\n     not a: " << ( not a );   cout << "\n     not b: " << ( not b );   cout << "\na not_eq b: " << ( a not_eq b );   cout << "\n\nBitwise operator keywords:";   cout << "\nc bitand d: " << ( c bitand d );   cout << "\nc bit_or d: " << ( c bitor d );   cout << "\n   c xor d: " << ( c xor d );   cout << "\n   compl c: " << ( compl c );   cout << "\nc and_eq d: " << ( c and_eq d );   cout << "\n c or_eq d: " << ( c or_eq d );   cout << "\nc xor_eq d: " << ( c xor_eq d ) << endl;   return 0;} // end main/************************************************************************** * (C) Copyright 1992-2009 by Deitel & Associates, Inc. and               * * Pearson Education, Inc. All Rights Reserved.                           * *                                                                        * * DISCLAIMER: The authors and publisher of this book have used their     * * best efforts in preparing the book. These efforts include the          * * development, research, and testing of the theories and programs        * * to determine their effectiveness. The authors and publisher make       * * no warranty of any kind, expressed or implied, with regard to these    * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or       * * consequential damages in connection with, or arising out of, the       * * furnishing, performance, or use of these programs.                     * **************************************************************************/