[fpc-pascal] Some RTL functions cry big tears when mixing Pchar and Ansistring/String

Marco van de Voort marcov at stack.nl
Tue Jun 11 15:29:30 CEST 2013

In our previous episode, md at rpzdesign.com said:
> As for 2 examples:
> res := PosEx(mypchar,'NEEDLE',35) ;
> res := Copy (mypchar, 10,15) ;

These are not examples. These are snippets. Examples I can compile and
> What are the byte boundaries here?
> Zero Based from the pointer?

I think it will scan the pointer till a zero character, and then copy that
to an ansistring. Next pass the ansistring to posex.

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