BEHAVIORS-OF
============

syntax: (behaviors-of <frame-specifier>
                      [:DIRECT T | NIL | Var]
                      [:IDENTIFIER T | NIL | Var]
                      [:KB <kb>])

Warning: yet not implemented!

This function returns a list with all behaviors or
a list with all behavior identifiers of a frame.
If you do not give details, then ':DIRECT' and
':IDENTIFIER' will be set to NIL and you will get a
list with all behaviors of a frame as objects.

example: >(behaviors-of 'culture :identifier T)
         ((NOTIFY-READ-DEPENDENT :primary
                       (trafficoffice culture))
         >(behaviors-of 'offer :direct T)
         NIL