| 
	    plline3
	  ( | n, | 
| x, | |
| y, | |
| z ); | 
      Draws line in 3 space defined by nxyzx18c.c for more info.
    
n
	  (PLINTNumber of points defining line.
x
	  (PLFLT_VECTORA vector containing the x coordinates of points.
y
	  (PLFLT_VECTORA vector containing the y coordinates of points.
z
	  (PLFLT_VECTORA vector containing the z coordinates of points.
      Redacted form: plline3(x, y, z)
    
This function is used in example 18.