pub unsafe extern "C" fn aeron_driver_conductor_on_unavailable_counter(
conductor: *mut aeron_driver_conductor_t,
registration_id: i64,
counter_id: i32,
)
pub unsafe extern "C" fn aeron_driver_conductor_on_unavailable_counter(
conductor: *mut aeron_driver_conductor_t,
registration_id: i64,
counter_id: i32,
)