Brain Teaser

[Boyd Roberts]

>From article <10289 at wpi.wpi.edu>, by oesterle at wpi.wpi.edu (Shawn H. Oesterle):
> Problem:
> 	Swap two pointers without using a third pointer.
>

Arithmetic operations with pointers that don't point to `the same array'
are not defined.  Apart from that, this `Brain Teaser' is a pointless
discourse into abstruse and non-portable constructs.


Boyd Roberts			boyd at necisa.ho.necisa.oz.au

``When the going gets wierd, the weird turn pro...''