"W. van den Akker" <listsrv@wilsoft.nl> writes:
> I have a little test program (see at the end of the message). The program
> crashes when PQTrace is called (instruction xxxx referenced memory at
> "0x00000010", the
> memory could not be written" (obvious ... )
> I use the library libpqdll.lib and postgresql v7.3.4. When I comment the
> line the program runs fine.
Your test program works fine for me, after removal of the WSA-related
lines (I'm not using Windows). I suspect some Windows-specific issue,
but hard to say what.
regards, tom lane