Jeremy Drake <pgsql(at)jdrake(dot)com> writes:
> On Wed, 7 Feb 2007, Tom Lane wrote:
>> As of 8.2 there are.
> Could you give me the name of one in pg_proc.h so I can see how I should
> go about adding one there?
select * from pg_proc where proargmodes is not null;
regards, tom lane