Function mpi::ffi::OMPI_C_MPI_COMM_NULL_DELETE_FN

pub unsafe extern fn OMPI_C_MPI_COMM_NULL_DELETE_FN(comm: MPI_Comm,
                                                    comm_keyval: c_int,
                                                    attribute_val_out: *mut c_void,
                                                    extra_state: *mut c_void)
                                                    -> c_int