(sbitset-pair-offset x) gets the offset from an (offset . block) pair.
(sbitset-pair-offset x) → offset
Function: sbitset-pair-offset$inline
(defun sbitset-pair-offset$inline (x) (declare (xargs :guard (sbitset-pairp x))) (let ((__function__ 'sbitset-pair-offset)) (declare (ignorable __function__)) (car x)))