>> Yes, NetBSD _MUST_ be able to compile both pre-ANSI code and code
>> that uses NULL as an int or char value thus the public headers
>> really must use a plain integer zero for NULL.
> Oh, so the de-__P()ification was only in the kernel?

That doesn't follow.  Use of prototypes in include files is not
incompatible with compiling pre-ANSI application code.

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