MPI_SGE_SET_FLAGS
#define MPI_SGE_SET_FLAGS_LENGTH(f,l) (MPI_SGE_SET_FLAGS(f) | MPI_SGE_LENGTH(l))
#define MPI_pSGE_SET_FLAGS(psg,f) (psg)->FlagsLength |= MPI_SGE_SET_FLAGS(f)
MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);