ctf_add_struct
if ((id = ctf_add_struct(mdb.m_synth, CTF_ADD_ROOT, name)) ==
base = ctf_add_struct(cup->cu_ctfp, isroot, name);
suid = ctf_add_struct(cmp->cm_out, flags, name);
type = ctf_add_struct(ctfp, flag, name);
extern ctf_id_t ctf_add_struct(ctf_file_t *, uint_t, const char *);