Function gdk_sys::gdk_device_grab_info_libgtk_only

pub unsafe extern "C" fn gdk_device_grab_info_libgtk_only(
    display: *mut GdkDisplay, 
    device: *mut GdkDevice, 
    grab_window: *mut *mut GdkWindow, 
    owner_events: *mut gboolean
) -> gboolean