_ptr and _srcptr types

[Niels Möller]

Vincent Lefevre <vincent at vinc17.net> writes:

> No, pointers to different types may have different representations,
> and in particular, different sizes.

Hmm. I was aware that *function* pointers may use different
representation and size than data pointers.

But not that a data pointer can use different representation than void*.
If that really is the case, most occurences of NULL or (void*)0 in the
argument list in the call of a varargs function would be undefined
behavior, right?

Regards,
/Niels

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