How can I read display message from a C function

From: "Fay Du" <fay(dot)du(at)versaterm(dot)com>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: How can I read display message from a C function
Date: 2006-05-04 15:31:04
Message-ID: 000f01c66f8f$c17f4df0$b8d849c6@versaterm.com
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Hi All:
I would like to put some message in my C function ( myTestFunction).
Currently, I want to see time for each function call inside
myTestFunction. The output to the screen commands are in myTestFunction.
myTestFunction is called from postgresql. How can I see the messages?
Thanks in advance.

Fay

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