int MPI_Neighbor_allgather (
    const void *sendbuf, int sendcount, MPI_Datatype sendtype,
    void *recvbuf, int recvcount, MPI_Datatype recvtype,
    MPI_Comm comm);
int MPI_Neighbor_allgatherv (
    const void *sendbuf, int sendcount, MPI_Datatype sendtype,
    void *recvbuf, const int recvcounts [], const int displs [], MPI_Datatype recvtype,
    MPI_Comm comm);

int MPI_Neighbor_alltoall (
    const void *sendbuf, int sendcount, MPI_Datatype sendtype,
    void *recvbuf, int recvcount, MPI_Datatype recvtype,
    MPI_Comm comm);
int MPI_Neighbor_alltoallv (
    const void *sendbuf, const int sendcounts [], const int sdispls [], MPI_Datatype sendtype,
    void *recvbuf, const int recvcounts [], const int rdispls [], MPI_Datatype recvtype,
    MPI_Comm comm);

int MPI_Neighbor_alltoallw (
    const void *sendbuf, const int sendcounts [], const MPI_Aint sdispls [], const MPI_Datatype sendtypes [],
    void *recvbuf, const int recvcounts [], const MPI_Aint rdispls [], const MPI_Datatype recvtypes [],
    MPI_Comm comm);