Function mpi::ffi::MPI_Igatherv

pub unsafe extern "C" fn MPI_Igatherv(
    sendbuf: *const c_void,
    sendcount: i32,
    sendtype: *mut ompi_datatype_t,
    recvbuf: *mut c_void,
    recvcounts: *const i32,
    displs: *const i32,
    recvtype: *mut ompi_datatype_t,
    root: i32,
    comm: *mut ompi_communicator_t,
    request: *mut *mut ompi_request_t
) -> i32