ATTR_READONLY
ATTR_ARCHIVE : ATTR_ARCHIVE | ATTR_READONLY;
((dep->de_Attributes & ATTR_READONLY) ?
if ((dep->de_Attributes & ATTR_READONLY) == 0)
dep->de_Attributes &= ~ATTR_READONLY;
dep->de_Attributes |= ATTR_READONLY;
fsp->mode |= denode.de_Attributes & ATTR_READONLY ? 0 : 0222;
ATTR_ARCHIVE : ATTR_ARCHIVE | ATTR_READONLY;