From the NannyMUD documentation
2000-12-11
NAME
inherit_list - return a list of all inherited objects of an objectSYNTAX
string *inherit_list(object ob)DESCRIPTION
This function returns a list of all files that are inherited in the specified object `ob'. If no argument `ob' is given, `this_object()' is used by default.NOTE
The filename of `ob' is included in the list