Upgrade to Postgresql 7.3.2

Hello:

I am using postgresql 7.2.1 and I have application written in libpq++ to
access the postgresql database. I would like to upgrade the postgresql to
7.3.2 but I found that there isn't any libpq++ interface any more. There is
only libpqxx, is libpq++ compatible with libpqxx. Also, where can I download
the ODBC driver for postgresql DB (for linux platform) as I found that it is
not included in the 7.3.2 pactage.

Thanks a lot!
Carmen

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