CREATE FUNCTION int44in(cstring)
   RETURNS city_budget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
CREATE FUNCTION int44out(city_budget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
CREATE FUNCTION widget_in(cstring)
   RETURNS widget
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;
CREATE FUNCTION widget_out(widget)
   RETURNS cstring
   AS '@libdir@/regress@DLSUFFIX@'
   LANGUAGE C STRICT;