Object-Oriented Programming With ANSI-C这本书中的源代码!找了很久

				#include 				#include 				#include 				%prot				#include 								% Class  Object {				    unsigned long magic;			// magic number				    const Class @ class;			// object's description				%				    void delete (_self);				// reclaim instance				    const Class @ classOf (const _self);	// object's class				    size_t sizeOf (const _self);		// object's size				    int isA (const _self, const Class @ class);	// object belongs to class				    int isOf (const _self, const Class @ class);// object derives from class				    void * cast (const Class @ class, const _self); // asserts isOf()				%-				    void * ctor (_self, va_list * app);		// constructor				    void * dtor (_self);					// destructor				    int differ (const _self, const Object @ b);	// true if !=				    int puto (const _self, FILE * fp);		// display				%}										// order known in Object.c for static initialization				% Class  Class: Object {				    const char * name;				// class' name				    const Class @ super;			// class' superclass				    size_t size;					// object's memory size				%				    Object @ new (const _self, ...);	// create instance				    const Class @ super (const _self);	// class' superclass				%}