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//#include "stdafx.h"
/*
ÃèÊö:´¿cÄ£ÄâÀà,´¿c±àдc++Àà,´¿cʵÏÖc++ÀàµÄ¼òµ¥·¶Àý,½á¹¹Ä£ÄâÀà,struct ±àдclass.
c±àдÀàÊÇʵÏÖ´¿c±àдcom×é¼þµÄ»ù´¡¡£
*/
#include <stdio.h>
typedef struct _Vtbl
{
    void (*AddRef)(struct CObject* obj,int);//ËùÓеĺ¯ÊýµÄµÚÒ»¸ö²ÎÊýÀàËÆclassµÄÒþÄäµÄthisÖ¸Õë
    void (*Release)(struct CObject* obj);
}Vtbl;//º¯ÊýÖ¸ÕëÊý×é
typedef struct CObject
{
    Vtbl vtbl;//º¯ÊýÖ¸ÕëÊý×éÖ¸Ïò³ÉÔ±º¯Êý
    int a;
    int b;
}Cobj;//½á¹¹Ä£ÄâÀàµÄ¼òµ¥¶¨Òå
void fun1(Cobj *obj,int count)//³ÉÔ±º¯Êý
{
    obj->a+=count;
    printf("CObject::a=%d\n",obj->a);
}
void fun2(Cobj *obj)//³ÉÔ±º¯Êý
{
    obj->a--;
    printf("CObject::a=%d\n",obj->a);
}
static Vtbl vt={fun1,fun2};//ÉùÃ÷Ò»¸ö¾²Ì¬º¯ÊýÖ¸ÕëÊý×é
int main()
{
    Cobj obj;//¶¨Òå¶ÔÏó
    obj.vtbl=vt;
    obj.a= 10;
    obj.vtbl.AddRef(&obj,1);
    obj.vtbl.Release(&obj);
    return 0;
}


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