C / C++ / MFC

extern "C" _CRTIMP int __cdecl _CrtIsValidHeapPointer(
        const void * pUserData
        )
{
        if (!pUserData)
            return FALSE;

        if (!_CrtIsValidPointer(pHdr(pUserData), sizeof(_CrtMemBlockHeader), FALSE))
            return FALSE;

        return HeapValidate( _crtheap, 0, pHdr(pUserData) );
}

std::shared_ptr<int> foo()
{
	std::shared_ptr<int> p(new int(10));
	size_t cnt = 10;
	while (cnt--)
		p.get()[cnt] = roll_die();

	return p;                   
}

void func(int* ptr, size_t cnt)
{
	while (cnt--)
	{
		cout << ptr[cnt] << endl;
	}
}

void main()
{
	std::shared_ptr<int> u_ptr = nullptr;
	u_ptr = foo();
	func(u_ptr.get(), 10);
}

std::unique_ptr<int> foo()
{
	std::unique_ptr<int> p(new int(10));
	size_t cnt = 10;
	while (cnt--)
		p.get()[cnt] = roll_die();

	return p;                   
}

void func(int* ptr, size_t cnt)
{
	while (cnt--)
	{
		cout << ptr[cnt] << endl;
	}
}

void main()
{
	std::unique_ptr<int> u_ptr = nullptr;
	u_ptr = foo();
	func(u_ptr.get(), 10);
}