Function jack_sys::jack_get_cycle_times

pub unsafe extern "C" fn jack_get_cycle_times(
    client: *const jack_client_t, 
    current_frames: *mut jack_nframes_t, 
    current_usecs: *mut jack_time_t, 
    next_usecs: *mut jack_time_t, 
    period_usecs: *mut c_float
) -> c_int