Function darknet_sys::draw_box_width

pub unsafe extern "C" fn draw_box_width(
    a: image, 
    x1: c_int, 
    y1: c_int, 
    x2: c_int, 
    y2: c_int, 
    w: c_int, 
    r: f32, 
    g: f32, 
    b: f32
)