CREATE FUNCTION int44in(cstring)
   RETURNS city_budget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
NOTICE:  type "city_budget" is not yet defined
DETAIL:  Creating a shell type definition.
CREATE FUNCTION int44out(city_budget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
NOTICE:  argument type city_budget is only a shell
CREATE FUNCTION widget_in(cstring)
   RETURNS widget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
NOTICE:  type "widget" is not yet defined
DETAIL:  Creating a shell type definition.
CREATE FUNCTION widget_out(widget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
NOTICE:  argument type widget is only a shell