关于VC6的一个很弱的问题

各位高手，我最近在学习使用MSVC6，照着书上编了一个很简单的单文档应用程序，但出了一些错误，还请各位高手指点迷津呀！

这是那个报错的头文件：

// Day10Doc.h : interface of the CDay10Doc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DAY10DOC_H__19CF0345_7E60_4B91_9F57_38773206B771__INCLUDED_)
#define AFX_DAY10DOC_H__19CF0345_7E60_4B91_9F57_38773206B771__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


class CDay10Doc : public CDocument
{
protected: // create from serialization only
CDay10Doc();
DECLARE_DYNCREATE(CDay10Doc)

// Attributes
public:

// Operations
public:

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CDay10Doc)
public:
virtual BOOL OnNewDocument();
virtual void Serialize(CArchive& ar);
//}}AFX_VIRTUAL

// Implementation
public:
CLine* GetLine(int nIndex);
int GetLineCount();
CLine* AddLine(CPoint ptFrom, CPoint ptTo);
virtual ~CDay10Doc();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
//{{AFX_MSG(CDay10Doc)
// NOTE - the ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
private:
CObArray m_oaLines;
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DAY10DOC_H__19CF0345_7E60_4B91_9F57_38773206B771__INCLUDED_)


编译后的出错信息：

--------------------Configuration: Day10 - Win32 Debug--------------------
Compiling...
Day10.cpp
d:\microsoft visual studio\myprojects\day10\day10doc.h(35) : error C2143: syntax error : missing ';' before '*'
d:\microsoft visual studio\myprojects\day10\day10doc.h(35) : error C2501: 'CLine' : missing storage-class or type specifiers
d:\microsoft visual studio\myprojects\day10\day10doc.h(35) : error C2501: 'GetLine' : missing storage-class or type specifiers
d:\microsoft visual studio\myprojects\day10\day10doc.h(37) : error C2143: syntax error : missing ';' before '*'
d:\microsoft visual studio\myprojects\day10\day10doc.h(37) : error C2501: 'CLine' : missing storage-class or type specifiers
d:\microsoft visual studio\myprojects\day10\day10doc.h(37) : error C2501: 'AddLine' : missing storage-class or type specifiers
Error executing cl.exe.
Creating browse info file...

Day10.exe - 6 error(s), 0 warning(s)