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          if (ACCESS ("/usr/sbin/update-rc.d", W_OK) == 0)            {              ret = system ("/usr/sbin/update-rc.d gnunetd defaults");              if (ret != 0)                {                  if (errno != 0)                    {                      GNUNET_GE_LOG_STRERROR_FILE (ectx,                                                   GNUNET_GE_WARNING |                                                   GNUNET_GE_USER |                                                   GNUNET_GE_ADMIN |                                                   GNUNET_GE_IMMEDIATE, "system",                                                   "/usr/sbin/update-rc.d");                    }                  else                    {                      GNUNET_GE_LOG (ectx,                                     GNUNET_GE_WARNING | GNUNET_GE_USER |                                     GNUNET_GE_ADMIN | GNUNET_GE_IMMEDIATE,                                     _                                     ("Command `%s' failed with error code %u\n"),                                     "/usr/sbin/update-rc.d gnunetd defaults",                                     WEXITSTATUS (ret));                    }                  return GNUNET_SYSERR;                }            } else if (ACCESS ("/sbin/rc-update", W_OK) == 0)              ret = system ("/sbin/rc-update add gnunetd default");              if (ret != 0)                {                  if (errno != 0)                    {                      GNUNET_GE_LOG_STRERROR_FILE (ectx,                                                   GNUNET_GE_WARNING |                                                   GNUNET_GE_USER |                                                   GNUNET_GE_ADMIN |                                                   GNUNET_GE_IMMEDIATE, "system",                                                   "/sbin/rc-update");                    }                  else                    {                      GNUNET_GE_LOG (ectx,                                     GNUNET_GE_WARNING | GNUNET_GE_USER |                                     GNUNET_GE_ADMIN | GNUNET_GE_IMMEDIATE,                                     _                                     ("Command `%s' failed with error code %u\n"),                                     "/sbin/rc-update add gnunetd default",                                     WEXITSTATUS (ret));                    }                  return GNUNET_SYSERR;                }            }