Syslog.Open_optiontype t = | PIDInclude PID with each message
*)| CONSWrite directly to system console if there is an error while sending to system logger
*)| ODELAYDelay opening of the connection until syslog is called
*)| NDELAYNo delay opening connection to syslog daemon
*)| NOWAITDo not wait for child processes while logging message
*)| PERRORPrint to stderr as well
*)