1
2
3class test
4{
5public:
6	virtual void aa() {}
7
8	int		f;
9};
10
11class testsub : public test
12{
13public:
14			testsub() : g(0) {}
15	virtual void aa() {}
16
17	int		g;
18};
19
20
21class testsubother : public test
22{
23public:
24			testsubother() : h(0) {}
25	virtual void aa() {}
26
27	int		h;
28};
29
30extern test* maketestsub();
31
32extern bool istestsub(test* t);