void MPI.Buffer_attach(byte  buffer)Java binding of the MPI operation MPI_BUFFER_ATTACH. The value of size is taken to be size of the buffer argument.
byte  MPI.Buffer_detach()Java binding of the MPI operation MPI_BUFFER_DETACH. The return value is buffer. The size of the returned arrray is size.
The constant MPI_BSEND_OVERHEAD is available as MPI.BSEND_OVERHEAD.