#include <ace/ Multiplexor.h>
class Driver {
public:Driver (void);~Driver (void);virtual int link_from_below (ACE_Module *mod);virtual ACE_Module *alloc_module (Driver *) = 0;virtual int unlink_from_below (ACE_Module *);};
Driver (void);
~Driver (void);
virtual int link_from_below (ACE_Module *mod);
virtual ACE_Module *alloc_module (Driver *) = 0;
virtual int unlink_from_below (ACE_Module *);