Interface DosAttrs.
DOS_READ_ONLY = 0x1 : int
DOS_HIDDEN = 0x2 : int
DOS_SYSTEM = 0x4 : int
DOS_LABEL = 0x8 : int
DOS_DIRECTORY = 0x10 : int
DOS_ARCHIVE = 0x20 : int
DOS_LINK = 0x40 : int
DOS_EXE = 0x80 : int