Fabien COELHO <coelho@cri.ensmp.fr> writes:
> If not, what are the other options?
I don't think you have any: you have to use PQmblen. Depending on wchar
facilities would be unportable even if they did everything you wanted.
It might be convenient to build an integer array of character start
offsets and then work with that as if it were a wchar array.
regards, tom lane