krb5_crypto_us_timeofday
retval = krb5_crypto_us_timeofday(&now, &now_usec);
krb5_crypto_us_timeofday (&rnd_data.sec, &rnd_data.usec);
retval = krb5_crypto_us_timeofday(&sec, &usec);
krb5_error_code krb5_crypto_us_timeofday
if ((retval = krb5_crypto_us_timeofday(&seed_data.now, &seed_data.now_usec)))
if (kret = krb5_crypto_us_timeofday(&tval,
retval = krb5_crypto_us_timeofday(&sec, &usec);