On 16 Oct 97, Steven Lei wrote to Paul Wankadia --
 PW> Ye gods, Steven ... the term is "prototyping" ...
 SL> Sorry, Paul!!!  I keep on getting the two words confused for some
 SL> reason... I guess I should talk more in Teen instead...  
{snrk}
 SL> Oh well...  in CS class, I'm learning classes... and it doesn't seem
 SL> that tough yet...  well, pointers tomorrow...  so prepare to answer
 SL> some questions because I don't quite understand pointers and how they
 SL> differ from reference parameters...  (the & sign) vs the * sign.
You have
        class foo {
                int dog;
                int cat;
        };
You then create an object of class 'foo' by saying
        foo bar;
A pointer to an object of class 'foo' is
        foo *drog;
You can put the address of 'bar' into 'drog' by doing
        drog = &bar;
To assign a value to 'dog' via 'bar', you'd say
        bar.dog = 1275;
To assign a value to 'cat' via 'drog', you'd say
        drog->cat = 1275;
OR, alternatively,
        (*drog).cat = 1275;
Any questions?
--- PPoint 2.00
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