plpoin: Plots a character at the specified points 

DESCRIPTION:

    Marks a set of n points in x and y using the symbol defined by code.
    If code is between 32 and 127, the symbol is simply the corresponding
    printable ASCII character in the default font. 

SYNOPSIS:

plpoin(n, x, y, code)

ARGUMENTS:

    n (PLINT, input) :      Number of points to be marked. 

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

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

    code (PLINT, input) :    Code number for the symbol to be plotted.