ipe_new_policy
p = ipe_new_policy(NULL, 0, copy, len);
p = ipe_new_policy(ipe_boot_policy, strlen(ipe_boot_policy),
new = ipe_new_policy(text, textlen, pkcs7, pkcs7len);
struct ipe_policy *ipe_new_policy(const char *text, size_t textlen,
pol = ipe_new_policy(p->policy, strlen(p->policy), NULL, 0);
pol = ipe_new_policy((const char *)policy, (ARRAY_SIZE(policy) - 1) * 2, NULL, 0);