List all tables for a particular object owner

HI All,

I am trying to list all the objects for a particular owner using the below query.

select su.name + '.' + so.name from   sysobjects so,sysusers   su where  so.type = 'U' and so.uid  = su.uid order  by su.name,so.name

Isnt there a simple query using sp_iqhelp

http://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.infocenter.dc38151.1540/doc/html/san1278453290461.html

I just want to list for a particular owner.