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
)