Function mpi::ffi::MPI_Alltoallw

pub unsafe extern "C" fn MPI_Alltoallw(
    sendbuf: *const c_void,
    sendcounts: *const i32,
    sdispls: *const i32,
    sendtypes: *const *mut ompi_datatype_t,
    recvbuf: *mut c_void,
    recvcounts: *const i32,
    rdispls: *const i32,
    recvtypes: *const *mut ompi_datatype_t,
    comm: *mut ompi_communicator_t
) -> i32