Name: atoms-family

Syntax:
(atoms-family opt [list])

Description:
Function returns a list of all functions that are loaded into AutoCAD. Opt must be either a 1 or a 0.
0 - Displays as a list.
1 - Displays as a list of strings

List is a list of names that you are looking for to see if they are loaded.

Example(s):
(atoms-family 1 '("atom"))
("ATOM")