C / C++ / MFC

_finddata_t fileinfo;
long hFile;


_chdir( --dirname-- );


if( (hFile = _findfirst( "*", &fileinfo )) == -1L )
   --- no files in director ---
else
{
   do
   {
      --- called per file ---
      fileinfo.name contains the filname!

   } while( _findnext( hFile, &fileinfo ) == 0 );

   _findclose( hFile );
}

CFileFind finder;
BOOL bWorking = finder.FindFile("*.*");
while (bWorking)
{
   bWorking = finder.FindNextFile();
   cout << (LPCTSTR) finder.GetFileName() << endl;
}

HANDLE hFile;
WIN32_FIND_DATA wfd;

hFile = FindFirstFile("*.*", &wfd);

while ( FindNextFile(hFile, &wfd) != 0 )
{
     // your code here
     
     // include this is if you don't want the '.' and '..' to show up

     if ( (strcmp(wfd.cFileName, "..") != 0 ) && (strcmp(wfd.cFileName, ".")  != 0 )
             // your code here eg. cout << wfd.cFileName << endl;

    // include something like this if you don't want the directories:
    if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
        // your code here eg. continue;
}

FindClose(hFile)