PF_ST_EXPIRE - FreeBSD

Symbol: PF_ST_EXPIRE

lib/libpfctl/libpfctl.c

{ .type = PF_ST_EXPIRE, .off = _OUT(expire), .cb = snl_attr_get_uint32 },

sys/netpfil/pf/pf_nl.c

nlattr_add_u32(nw, PF_ST_EXPIRE, expire);