pub unsafe extern "C" fn xc_evtchn_alloc_unbound(
xch: *mut xc_interface,
dom: u32,
remote_dom: u32,
) -> xc_evtchn_port_or_error_tpub unsafe extern "C" fn xc_evtchn_alloc_unbound(
xch: *mut xc_interface,
dom: u32,
remote_dom: u32,
) -> xc_evtchn_port_or_error_t