
plline3: Draw a line in 3 space 

DESCRIPTION:

    This function is used in example 18. 

SYNOPSIS:

plline3(n, x, y, z)

ARGUMENTS:

    n (PLINT, input) :      Number of points defining line. 

    x (PLFLT *, input) :    Pointer to array with x coordinates of points. 

    y (PLFLT *, input) :    Pointer to array with y coordinates of points. 

    z (PLFLT *, input) :    Pointer to array with z coordinates of points. 
