// EXTRACTING BITS OUT OF DWORD USING UNION + ANONYMOUS STRUCT + BIT FIELDS
typedef union _FILE_ATTRIBUTES
{
  DWORD dwRawBits;
  struct
  {
    DWORD READONLY:1,
          HIDDEN:1,
          SYSTEM:1,
          RESERVED_1:1,
          DIRECTORY:1,
          ARCHIVE:1,
          DEVICE:1,
          NORMAL:1,
          TEMPORARY:1,
          SPARSE_FILE:1,
          REPARSE_POINT:1,
          COMPRESSED:1,
          OFFLINE:1,
          NOT_CONTENT_INDEXED:1,
          ENCRYPTED:1,
          RESERVED_2:1,
          VIRTUAL:1;
  };
} FILE_ATTRIBUTES, *PFILE_ATTRIBUTES;

#define GET_FILE_ATTRIBUTES(dwAttributes) dwRawBits=(dwAttributes)

// USO:
// FILE_ATTRIBUTES fAttr;
// fAttr.GET_FILE_ATTRIBUTES(GetFileAttributes(szFilename))
//