Class hierarchy of KVM switches
-------------------------------
Object
  L_KvmDriver -- abstract KVM switch
     L__KvmKbdSwitch -- switching via keyboard seqs
         L__KvmRipc -- reports via USB-protocol
         L__KvmXx01ip -- reports via serial line
         |   L__Kvm0801ip -- 8 ports
         |   L__Kvm1601ip -- 16 ports
         L__KvmVirtSwitch -- configurable keyboard seqs

Build notes
-----------
Class "Object" is defined in libpp_base/src/oop_object.c.

Notes on Object Oriented Programming in C
-----------------------------------------
See twiki topic "OOPinC"
