PL/C functions

From: Dennis Gearon <gearond(at)cvc(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: PL/C functions
Date: 2003-08-11 16:05:28
Message-ID: 3F37BEC8.8070207@cvc.net
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Is it possible to write functions for PL/C that have variable argument lists?

I.E.
UPPER( arg )
UPPER( arg, encoding_list )

LOWER( arg )
LOWER( arg, encoding_list )

SUBSTR( arg, arg, arg )
SUBSTR( arg, arg, arg, encoding_list );

Obviously, these would have to take the place of the original functions, is that possible?

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