
plgzax: Get z axis parameters 

DESCRIPTION:

	Identical to plgxax, except that arguments are flags for z axis. See
	the description of plgxax for more detail. 

SYNOPSIS:

plgzax(digmax, digits)

ARGUMENTS:

    digmax (PLINT *, output) :      Pointer to variable with the maximum
        number of digits for the z axis.  If nonzero, the printed label
        has been switched to a floating point representation when the
        number of digits exceeds digmax. 

    digits (PLINT *, output) :      Pointer to variable with the actual
        number of digits for the numeric labels (z axis) from the last
        plot. 
