Subj : Re: RP2350 and Pico 2 - things missing
To   : The Natural Philosopher
From : Richard Kettlewell
Date : Thu Aug 29 2024 20:26:45

The Natural Philosopher <tnp@invalid.invalid> writes:
> 24 bit pointers were I think quite common, but isn't the 'null
> pointer' *defined* to be (Char *)0 ?
> Otherwise how could you test for it?

The null pointer you get from (char *)0 (or similar constructions)
doesn’t have to be all bits 0.

https://c-faq.com/null/index.html

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