Function bladerf_sync_config 

pub unsafe extern "C" fn bladerf_sync_config(
    dev: *mut bladerf,
    layout: bladerf_channel_layout,
    format: bladerf_format,
    num_buffers: c_uint,
    buffer_size: c_uint,
    num_transfers: c_uint,
    stream_timeout: c_uint,
) -> c_int