Pointers in comparison expressions

[Vincent Lefevre]

On 2005-07-12 23:42:23 +0200, Erik Trulsson wrote:
> Pointer subtraction is only well defined if both pointers point to
> elements in the same array (or one past the end of the array).

I don't know what you mean by "well defined", but even in this case,
the behavior can be undefined. So, replacing a < b by a - b < 0 is not
guaranteed to work with every implementation, just like with integers.

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Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
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