k5_add_empty_pa_data
k5_add_empty_pa_data(krb5_pa_data ***list, krb5_preauthtype pa_type);
if (k5_add_empty_pa_data(&state->pa_data, KRB5_PADATA_FX_FAST) != 0)
retval = k5_add_empty_pa_data(out_enc_padata, KRB5_PADATA_FX_FAST);
code = k5_add_empty_pa_data(&ctx->request->padata,
code = k5_add_empty_pa_data(&ctx->request->padata,