h=markccw(markerstyle)
MARKCCW mark Counter Clockwise oriented ellipses with *'s at centers
The OPNML function TELLIPSE (or ELLIPSE) must have been run
before MARKCCW will work.
Input: Marker type (optional, default = '*')
Output: MARKCCW returns the handle to the *'s plotted.
Call as: h=markccw(markerstyle);