Apparently, On Fri, Mar 01, 2002 at 11:14:38AM +0300,
        Alexey V. Neyman said words to the effect of;

> Hello there!
> 
> In FreeBSD headers there are many occurences of 'struct __hack' (e.g. 
> in src/sys/module.h, eventhandler.h). What's the point of this 
> structure? I guess it help to avoid some warnings/errors, but what?

Its to require that the macro invocation have a semi-colon after it.
It eats the semi-colon.

> 
> Regards,
> Alexey.
> 
> -- 
> <------------------------->
>  ) May the Sun and Water (   Regards, Alexey V. Neyman
>  ) always fall upon you! (   mailto:[EMAIL PROTECTED]
> <------------------------->
> 
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