Function mpi::ffi::MPI_Ialltoallw

pub unsafe extern fn MPI_Ialltoallw(sendbuf: *const c_void,
                                    sendcounts: *const c_int,
                                    sdispls: *const c_int,
                                    sendtypes: *const MPI_Datatype,
                                    recvbuf: *mut c_void,
                                    recvcounts: *const c_int,
                                    rdispls: *const c_int,
                                    recvtypes: *const MPI_Datatype,
                                    comm: MPI_Comm,
                                    request: *mut MPI_Request)
                                    -> c_int