lispdoc - results for logbitp

(logbitp index integer)
Function: Predicate returns T if bit index of integer is a 1.
Example:
(defun frame-grouped-p (flags) (logbitp 5 flags))
Mentioned in:
CLtL2 - 12.7. Logical Operations on Numbers
HyperSpec - Function LOGBITP
PCL - supporting multiple versions of id3
Successful Lisp - chapter18