ctf_label_iter
ret = ctf_label_iter(ifp, ctfdiff_labels_count, &nilabel);
ret = ctf_label_iter(ofp, ctfdiff_labels_count, &nolabel);
if ((ret = ctf_label_iter(ifp, ctfdiff_labels_fill, &idl)) != 0)
if ((ret = ctf_label_iter(ofp, ctfdiff_labels_fill, &odl)) != 0)
if (ctf_label_iter(g_fp, ctfdump_labels_cb, NULL) == CTF_ERR) {
if ((rc = ctf_label_iter(fp, label_info_cb, &cb_arg)) == CTF_ERR)
extern int ctf_label_iter(ctf_file_t *, ctf_label_f *, void *);