Function fltk_sys::draw::cfl_polygon2

pub unsafe extern "C" fn cfl_polygon2(
    x: c_int, 
    y: c_int, 
    x1: c_int, 
    y1: c_int, 
    x2: c_int, 
    y2: c_int, 
    x3: c_int, 
    y3: c_int
)