Function mpi::ffi::OMPI_C_MPI_WIN_NULL_DELETE_FN

pub unsafe extern fn OMPI_C_MPI_WIN_NULL_DELETE_FN(window: MPI_Win,
                                                   win_keyval: c_int,
                                                   attribute_val_out: *mut c_void,
                                                   extra_state: *mut c_void)
                                                   -> c_int