| $LOG_EMERG | LOG_EMERG | System is unusable |  | 
     
      | $LOG_ALERT | LOG_ALERT | Immediate action required |  | 
     
      | $LOG_CRIT | LOG_CRIT | Critical conditions |  | 
     
      | $LOG_ERR | LOG_ERR |  |  | 
     
      | $LOG_WARNING | LOG_WARNING |  |  | 
     
      | $LOG_NOTICE | LOG_NOTICE |  |  | 
     
      | $LOG_INFO | LOG_INFO |  |  | 
     
      | $LOG_DEBUG | LOG_DEBUG |  |  | 
     
      | $LOG_KERN | LOG_KERN |  |  | 
     
      | $LOG_USER | LOG_USER | Genetic user level |  | 
     
      | $LOG_MAIL | LOG_MAIL | Log to email |  | 
     
      | $LOG_DAEMON | LOG_DAEMON | Other system daemons |  | 
     
      | $LOG_AUTH | LOG_AUTH |  |  | 
     
      | $LOG_SYSLOG | LOG_SYSLOG |  | Not available on Netware | 
     
      | $LOG_LPR | LOG_LPR |  |  | 
     
      | $LOG_NEWS | LOG_NEWS | Usenet new | Not available on HP-UX | 
     
      | $LOG_CRON | LOG_CRON |  | Not available on all platforms | 
     
      | $LOG_AUTHPRIV | LOG_AUTHPRIV |  | Not available on AIX | 
     
      | $LOG_LOCAL0 | LOG_LOCAL0 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL1 | LOG_LOCAL1 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL2 | LOG_LOCAL2 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL3 | LOG_LOCAL3 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL4 | LOG_LOCAL4 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL5 | LOG_LOCAL5 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL6 | LOG_LOCAL6 |  | Not available on Windows and Netware | 
     
      | $LOG_LOCAL7 | LOG_LOCAL7 |  | Not available on Windows and Netware | 
     
      | $LOG_PID | LOG_PID |  |  | 
     
      | $LOG_CONS | LOG_CONS |  |  | 
     
      | $LOG_ODELAY | LOG_ODELAY |  |  | 
     
      | $LOG_NDELAY | LOG_NDELAY |  |  | 
     
      | $LOG_NOWAIT | LOG_NOWAIT |  | Not available on BeOS | 
     
      | $LOG_PERROR | LOG_PERROR |  | Not available on AIX |