The result of an '=' operation is what was assigned.  For example:
        ((x = 3) == 3)
is true.

Simon Stirley wrote:
>
> > > Also, what is the logic behind understanding the actual
> > test in the while
> > > loop? I can't understand from the syntax exactly what is
> > being compared to
> > > '\0'. Is it *s? *t? If so, why?
> >
> > Well, since the char at the location pointed to by t is
> > placed into the
> > location pointed to by s, they both should now contain the
> > same data. So it
> > doesn't matter which location gets compared to zero.
> >  (\0).
>
> I thought it was the outcome of the = operation that was compared in a
> compound statement like this .. ie. the operation was successful. In this
> example I would expect the target of the copy to be null characters anyway,
> otherwise you'd be over-writing some other string.
>
> Simon.

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