'typedef ' : ignored on left of 'class CStringList' when no variable is declared

//CListTest.cpp:Define the entry point for the console application
//#include"stdafx.h"
#include
#include
#include

using namespace std;

typedef CStringListStringList;
//实现一个以String为元素的数组类
//入参和出参都是一个指向string的指针
int main()//(int argc,_TCHAR* argv[])
{
const CString str[]={
_T("1st Score"),
_T("2nd Score"),
_T("3rd Score"),
_T("4th Score"),
};
CStringList list1;
size_t i=0;
//从链表头部向链表中添加记录
for(i=0;i<sizeof(str)/sizeof(CString);i++)
{
list1.AddHead(str[i]);
}

CString string;
while(!list1.IsEmpty())
{
string=list1.RemoveHead();
wcout<<LPCTSTR(string)<<endl;
//最好每次清空string
string.ReleaseBuffer();
}
cout<<endl;
return 0;
}
//程序代码如上，本来预计应输出：
/*4th Score
3rd Score
2nd Score
1st Score*/
// 但却显示错误为：
//D:\Visual C++ Project\CList_P96\CList.cpp(9) : warning C4091: 'typedef ' : ignored on left of 'class CStringList' when no variable is declared
//D:\Visual C++ Project\CList_P96\CList.cpp(9) : error C2143: syntax error : missing ';' before '<'
//D:\Visual C++ Project\CList_P96\CList.cpp(9) : error C2143: syntax error : missing ';' before '<'