Function: mpc-ring-pop
mpc-ring-pop is a byte-compiled function defined in mpc.el.gz.
Signature
(mpc-ring-pop RING)
Source Code
;; Defined in /usr/src/emacs/lisp/mpc.el.gz
(defun mpc-ring-pop (ring)
(setcar ring (mod (1- (car ring)) (cadr ring)))
(aref (cddr ring) (car ring)))