ibuffer-backwards-next-marked
ibuffer-backwards-next-marked is an interactive autoloaded compiled Lisp function in `ibuf-ext.el
'.
(ibuffer-backwards-next-marked &optional COUNT MARK)
Move backwards by COUNT marked buffers (default 1).
If MARK is non-nil, it should be a character denoting the type of mark
to move by. The default is `ibuffer-marked-char'.