atoms-family
(atoms-family format [symbols])
The atoms-family function returns a list of all atoms currently defined.
Arguments
format specifies the output format as follows:
0 = returns a list of currently defined symbols
1 = returns a list of currently defined symbols as strings
symbols specifies a list of strings containing symbol names to search for (optional).
: (atoms-family 1)
("*" "*ERROR*" .... "ZEROP" "~")
: (atoms-family 0)
(* *ERROR* .......... ZEROP ~)
: (atoms-family 1 '("defun" "apply" "abc"))
("DEFUN" "APPLY" "ABC")
: (atoms-family 1 '("defun" "apply" "dummy"))
("DEFUN" "APPLY" nil)
: (atoms-family 0 '(defun apply abc))
Error: Invalid parameter