tcf_ct
#define to_ct(a) ((struct tcf_ct *)a)
struct tcf_ct *c;
struct tcf_ct *c = to_ct(a);
const struct tcf_ct *c = to_ct(a);
struct tcf_ct *c = to_ct(a);
.size = sizeof(struct tcf_ct),
struct tcf_ct *c = to_ct(a);