>  > Yes, I know the meaning of "O".:) But I think you don't need to change
>  > the name to make it be obvious.
>  > (If you do so, mrouted and pimd must be changed. If adding "O" is so
>  > reasonable, of course, I can agree to change from VIFF_... to
>  > OVIFF_... and these daemon codes. However, I cannot understand the
>  > benefits.)
>  > Is it not enough for you only to put a comment, "obsoleted"?
> 
> It is also the intent to cause old source to fail to compile with the
> new kernel headers.

I'm afraid I can't understand why you insist to cause errors by
force.
--
Hitoshi Asaeda