I've got a UDF that has been running successfully on Firebird 1.0 (and
RedHat 7.3) for quite a while. I just upgraded to Firebird 1.5 on
RedHat 9 and recompiled the UDF, and now some functions don't work. It
seems that all of the functions that return int or numeric work fine,
but if the function returns a timestamp, executing it returns an error
message and the database crashes. The error message is:

Unable to complete network request to host "127.0.0.1".
Error reading data from the connection

For anyone familiar with it, the UDF is fudlib. Also, fbudf functions
seem to work fine. Does anyone have any ideas?

Thanks,
-Brent