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void MPI.Buffer_attach(byte  buffer)
Provides to MPI a buffer in user's memory to be used for buffering
Java binding of the MPI operation MPI_BUFFER_ATTACH.
byte  MPI.Buffer_detach()
Detach the buffer currently associated with MPI and return it.
Java binding of the MPI operation MPI_BUFFER_DETACH.
If the currently associated buffer is system-defined, returns null.
The MPI constant MPI_BSEND_OVERHEAD is available as MPI.BSEND_OVERHEAD.