MFC FindFirstFile()的问题

 // app1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "app1.h"
#include <vector>  
#include <algorithm>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// The one and only application object

CWinApp theApp;

using namespace std;

int cmp(const char * &a, const char * &b)
{
    return strcmp(a, b) < 0;
}

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
    int nRetCode = 0;

    // initialize MFC and print and error on failure
    if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
    {
        // TODO: change error code to suit your needs
        cerr << _T("Fatal Error: MFC initialization failed") << endl;
        nRetCode = 1;
    }
    else
    {
        // TODO: code your application's behavior here.
        //CString strHello;
        //strHello.LoadString(IDS_HELLO);
        //cout << (LPCTSTR)strHello << endl;
        _WIN32_FIND_DATAA fd;
        vector<char *> list;
        char * filename;
        HANDLE h = FindFirstFile("c:\\*.*", &fd);
        int r = 1;
        while (h != INVALID_HANDLE_VALUE && r != 0)
        {
            if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
            {
                if (strcmp(fd.cFileName, ".") && strcmp(fd.cFileName, ".."))
                {
                    filename = new char[_MAX_PATH + 1];
                    strcpy(filename, fd.cFileName);
                    list.push_back(filename);
                }
            }
            r = FindNextFile(h, &fd);
        }
        sort(list.begin(), list.end(), cmp);
        for (vector<char *>::iterator it = list.begin(); it != list.end(); it++)  
        {  
            cout<< *it << endl; 
        } 
    }
    return nRetCode;
}