btf_is_fwd
if (!btf_is_fwd(btf__type_by_id(d->btf, type_id)))
if (!btf_is_fwd(btf__type_by_id(d->btf, type_id)))
return t == &btf_void || btf_is_fwd(t);
if (btf_is_fwd(t) || (btf_is_enum(t) && btf_vlen(t) == 0)) {
if (!exact && btf_is_fwd(t1) != btf_is_fwd(t2)) {
if (btf_is_fwd(t1)) {