mtbl_writer_add(mtbl,
(const uint8_t *)elems[i].bpfen_and_move.data(), elems[i].bpfen_and_move.size(),
(const uint8_t *)&c, sizeof(c));
c = Count();
mtbl_writer_add(mtbl,
(const uint8_t *)elems[i].bpfen_and_move.data(), elems[i].bpfen_and_move.size(),
(const uint8_t *)&c, sizeof(c));
c = Count();