Function gio_2_0_sys::g_loadable_icon_load

pub unsafe extern "C" fn g_loadable_icon_load(
    icon: *mut GLoadableIcon, 
    size: gint, 
    type_: *mut *mut gchar, 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> *mut GInputStream