expand_label_str
void expand_label_str(char *, size_t, const char *, const char *);
expand_label_str(label, len, name, "any");
expand_label_str(label, len, name, ifname);
expand_label_str(label, len, name, tmp_not);
expand_label_str(label, len, name, tmp);
expand_label_str(label, len, name, op);
expand_label_str(label, len, name, pe->p_name);
expand_label_str(label, len, name, n);
expand_label_str(label, len, name, n);