krb5_fast_req
FIELDOF_NORM(krb5_fast_req, krb5_flags, fast_options, 0),
FIELDOF_NORM( krb5_fast_req, ptr_fast_req_padata, req_body, 1),
FIELDOF_NORM( krb5_fast_req, ptr_kdc_req_body, req_body, 2),
DEFSEQTYPE(fast_req, krb5_fast_req, fast_req_fields, 0);