libpq.dll - how to check if field is nullable

From: "Pit M(dot)" <fmi-soft(at)gmx(dot)de>
To: pgsql-general(at)postgresql(dot)org
Subject: libpq.dll - how to check if field is nullable
Date: 2005-08-15 10:09:13
Message-ID: 1124100553.693610.112520@o13g2000cwo.googlegroups.com
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Which function of libpq.dll should one use to determine if a field may
contain NULL values ?

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