NativeLsl_resolve_byprop typedef
        NativeLsl_resolve_byprop =
     Int32 Function(Pointer<lsl_streaminfo>  buffer, Uint32 buffer_elements, Pointer<Char>  prop, Pointer<Char>  value, Int32 minimum, Double timeout)
    
    
    
Implementation
typedef NativeLsl_resolve_byprop =
    ffi.Int32 Function(
      ffi.Pointer<lsl_streaminfo> buffer,
      ffi.Uint32 buffer_elements,
      ffi.Pointer<ffi.Char> prop,
      ffi.Pointer<ffi.Char> value,
      ffi.Int32 minimum,
      ffi.Double timeout,
    );