MPI_Neighbor_alltoallv 43 ompi/mpi/c/neighbor_alltoallv.c #define MPI_Neighbor_alltoallv PMPI_Neighbor_alltoallv MPI_Neighbor_alltoallv 49 ompi/mpi/c/neighbor_alltoallv.c int MPI_Neighbor_alltoallv(const void *sendbuf, const int sendcounts[], const int sdispls[],