osendfile() silliness

[ibotty]

>    While the compatibility syscall added to -CURRENT was placed in an
>    #ifdef COMPAT_FREEBSD4 block and aptly named freebsd4_sendfile(),
>    the version MFC'd to -STABLE the same day was placed in an #ifdef
>    COMPAT_43 block and named osendfile().
> 
> Should I just forget about osendfile()?  It clearly does not belong in
> emulators/43bsd.  I think I'll write a little note in a comment next to
> the native syscall about the fix and nuke osendfile().  Any objections?

imo, the kernel should be less complex. so you are right in nuking it.
. ..but, when you succeeded with splitting sendfile, 'osendfile' should maybe
go to our binary emulation (for fbsd 4). 

just my 2¢

~ibotty