How PG_FUNCTION_ARG works in PG

From: sandeep satpal <sandeep(at)it(dot)iitb(dot)ac(dot)in>
To: pgsql-hackers(at)postgresql(dot)org
Subject: How PG_FUNCTION_ARG works in PG
Date: 2005-10-06 14:39:50
Message-ID: Pine.LNX.4.63.0510062007580.16181@akash.it.iitb.ac.in
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Hi all,

Whenever a function get called it receive one parameter
as
PG_FUNCTION_ARG ( as in nbtcompare.c )
I am not getting how it is interpreted and how it is used ??

thank u

--
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| Sandeep Satpal |
| M.Tech Student |
| Lab 212 KReSIT |
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