include/cdio++ Add pre- and post- increment/decrement operators for

libcdio enums that it makes sense to iterate over.

example/C++/OO/*: use these
example/*: match up C and C++ programs better.

example/eject.c

@@ -1,5 +1,5 @@
 /*
-  $Id: eject.c,v 1.1 2005/11/07 07:44:00 rocky Exp $
+  $Id: eject.c,v 1.2 2005/11/11 12:26:57 rocky Exp $
 
   Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
   
@@ -22,6 +22,8 @@
 
    If a single argument is given, it is used as the CD-ROM device to 
    eject/close. Otherwise a CD-ROM drive will be scanned for.
+
+   See also corresponding C++ program of a similar name. 
 */
 #ifdef HAVE_CONFIG_H
 # include "config.h"