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   On 29/08/2024 20:26, Richard Kettlewell wrote:   
   > The Natural Philosopher  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   
   >   
   Ah, thanks.   
      
   Hadn't apprecaied the level of mapping going on during compilation.   
      
      
      
   --   
   In theory, there is no difference between theory and practice.   
   In practice, there is.   
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