Function gtk_sys::gtk_style_apply_default_background

pub unsafe extern "C" fn gtk_style_apply_default_background(
    style: *mut GtkStyle, 
    cr: *mut cairo_t, 
    window: *mut GdkWindow, 
    state_type: GtkStateType, 
    x: c_int, 
    y: c_int, 
    width: c_int, 
    height: c_int
)