all_environment
all_inventory
blueprint
call_other
call_resolved
clone_object
clonep
deep_inventory
destruct
environment
find_object
first_inventory
interactive
living
load_name
load_object
next_inventory
object_name
objectp
present
present_clone
previous_object
program_name
program_time
query_shadowing
replace_program
restore_object
save_object
set_light
shadow
this_interactive
this_object
this_player
to_object
unshadow