call by reference howto????

[castironpi at gmail.com]

On Feb 27, 10:38 pm, Dan Bishop <danb... at yahoo.com> wrote:

> What exactly are you wanting to do?

I'm having a hard time considering your question in the general case.
I'm thinking of too many cases, the details of which are relevant to
the answer, to even subdivide them.  My specialty is specific
application; I know ten tricks that apply 10% of the time each.  I can
show you all of them but not at once!