krb5_copy_creds
(void) krb5_copy_creds(bsd_context, ret_cred, cred);
err = krb5_copy_creds(ctx, creds, &new_node->creds);
subretval=krb5_copy_creds(context, referral_tgts[0], &((*tgts)[0]));
krb5_error_code KRB5_CALLCONV krb5_copy_creds