krb5_vlog_msg
krb5_vlog_msg(kcm_context, logf, &msg, level, fmt, ap);
krb5_vlog_msg(context, config->logf, &msg, level, fmt, ap);
krb5_vlog_msg (
return krb5_vlog_msg(context, fac, NULL, level, fmt, ap);
ret = krb5_vlog_msg(context, fac, reply, level, fmt, ap);