lispdoc - results for position-if

(position-if predicate sequence &rest args &key from-end (start 0) end key)
Undocumented
Example:
(defun length8 (list)
  (if (null list)
      0
      (+ 1
         (position-if #'true list :from-end t))))
Mentioned in:
CLtL2 - 14.4. Searching Sequences for Items
HyperSpec - Function POSITION, POSITION-IF, POSITION-IF-NOT
Successful Lisp - chapter13
(position-if-not predicate sequence &rest args &key from-end (start 0) end key)
Undocumented
 Mentioned in:
HyperSpec - Function POSITION, POSITION-IF, POSITION-IF-NOT
Successful Lisp - chapter13