Function mpi::ffi::OMPI_C_MPI_DUP_FN

pub unsafe extern "C" fn OMPI_C_MPI_DUP_FN(
    comm: *mut ompi_communicator_t,
    comm_keyval: i32,
    extra_state: *mut c_void,
    attribute_val_in: *mut c_void,
    attribute_val_out: *mut c_void,
    flag: *mut i32
) -> i32