Symbol: PF_RT_BYTES_OUT
lib/libpfctl/libpfctl.c
1694
{ .type = PF_RT_BYTES_OUT, .off = _OUT(r.bytes[1]), .cb = snl_attr_get_uint64 },
sys/netpfil/pf/pf_nl.c
1035
nlattr_add_u64(nw, PF_RT_BYTES_OUT, pf_counter_u64_fetch(&rule->bytes[1]));