Macro unsafe_libopus::opus_multistream_decoder_ctl

macro_rules! opus_multistream_decoder_ctl {
    ($st:expr, $request:expr, $($arg:expr),*) => { ... };
    ($st:expr, $request:expr) => { ... };
    ($st:expr, $request:expr, $($arg:expr),*,) => { ... };
}