krb5_rd_req
err = krb5_rd_req(telnet_context, &auth_context, &auth,
problem = krb5_rd_req(context, auth_context, &inbuf, server,
if ((ret = krb5_rd_req(context, &authcon, &ap_req, server, keytab,
ret = krb5_rd_req(context, &auth_context, &ap_req, changepw, keytab,
krb5_error_code KRB5_CALLCONV krb5_rd_req