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Annotation of 42BSD/usr.lib/sendmail/aux/syslog.3, revision 1.1

1.1     ! root        1: .TH syslog 3
        !             2: .SH NAME
        !             3: syslog, openlog, closelog -- control system log
        !             4: .SH SYNOPSIS
        !             5: # include <syslog.h>
        !             6: .PP
        !             7: openlog(ident, logstat)
        !             8: .br
        !             9: char *ident;
        !            10: .PP
        !            11: syslog(priority, message, parameters ... )
        !            12: .br
        !            13: char *message;
        !            14: .PP
        !            15: closelog()
        !            16: .SH DESCRIPTION
        !            17: .I Syslog
        !            18: writes the
        !            19: .I message
        !            20: to the program syslog(8)
        !            21: The message is tagged with priority
        !            22: .I priority.
        !            23: The message looks like a
        !            24: .I printf(3)
        !            25: string except that
        !            26: .B %m
        !            27: is replaced by the current error message
        !            28: (collected from
        !            29: .I errno\c
        !            30: ).
        !            31: A trailing newline is added if needed.
        !            32: This message will be read by
        !            33: .I syslog(8)
        !            34: and output to the system console or files as appropriate.
        !            35: .PP
        !            36: If special processing is needed,
        !            37: .I openlog
        !            38: can be called to initialize the log file.
        !            39: Parameters are
        !            40: .I ident
        !            41: which is a string prepended to every message,
        !            42: and
        !            43: .I logstat
        !            44: a bit field indicating special status;
        !            45: current values are:
        !            46: .IP LOG_PID \w'LOG_PID'u+3
        !            47: log the process id with each message:
        !            48: useful for identifying instantiations of daemons.
        !            49: .LP
        !            50: .I Openlog
        !            51: returns zero if it could create the socket.
        !            52: Otherwise, it arranges to write on /dev/console
        !            53: and returns -1.
        !            54: Calls to
        !            55: .I syslog
        !            56: can still proceed,
        !            57: but any message with priority under
        !            58: .I LogMask (normally
        !            59: .BR LOG_CRIT )
        !            60: will be thrown away.
        !            61: .PP
        !            62: .I Closelog
        !            63: can be used to close the log socket.
        !            64: .SH EXAMPLES
        !            65: .nf
        !            66: syslog(LOG_SALERT, "who: internal error 23");
        !            67: .PP
        !            68: openlog("serverftp", LOG_PID);
        !            69: syslog(LOG_INFO, "Connection from host %d", CallingHost);
        !            70: .fi
        !            71: .SH SEE\ ALSO
        !            72: syslog(8)

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