lispdoc - results for consp

(consp object)
Function: Return true if OBJECT is a CONS, and NIL otherwise.
(defun defaulted-p (parameter) (consp parameter))
Mentioned in:
CLtL2 - 6.2.2. Specific Data Type Predicates
HyperSpec - Function CONSP
On Lisp - Classes and Instances
On Lisp - Creating Context
On Lisp - Iteration with Multiple Values
On Lisp - Local Functions
On Lisp - Operations on Lists
On Lisp - Other Structures
PCL - list manipulation functions