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

1.1     ! root        1: .TH SYSLOG 3
        !             2: .\"    @(#)syslog.3    4.1             7/25/83
        !             3: .SH NAME
        !             4: syslog, openlog, closelog -- control system log
        !             5: .SH SYNOPSIS
        !             6: # include <syslog.h>
        !             7: .PP
        !             8: openlog(ident, logstat)
        !             9: .br
        !            10: char *ident;
        !            11: .PP
        !            12: syslog(priority, message, parameters ... )
        !            13: .br
        !            14: char *message;
        !            15: .PP
        !            16: closelog()
        !            17: .SH DESCRIPTION
        !            18: .I Syslog
        !            19: arranges to
        !            20: write the
        !            21: .I message
        !            22: onto the
        !            23: system log maintained by
        !            24: .IR syslog (8).
        !            25: The message is tagged with
        !            26: .I priority.
        !            27: The message looks like a
        !            28: .I printf(3)
        !            29: string except that
        !            30: .B %m
        !            31: is replaced by the current error message
        !            32: (collected from
        !            33: .I errno\c
        !            34: ).
        !            35: A trailing newline is added if needed.
        !            36: This message will be read by
        !            37: .I syslog(8)
        !            38: and output to the system console or files as appropriate.
        !            39: .PP
        !            40: If special processing is needed,
        !            41: .I openlog
        !            42: can be called to initialize the log file.
        !            43: Parameters are
        !            44: .I ident
        !            45: which is prepended to every message,
        !            46: and
        !            47: .I logstat
        !            48: which is
        !            49: a bit field indicating special status;
        !            50: current values are:
        !            51: .IP LOG_PID \w'LOG_PID'u+3
        !            52: log the process id with each message:
        !            53: useful for identifying instantiations of daemons.
        !            54: .LP
        !            55: .I Openlog
        !            56: returns zero on success.
        !            57: If it cannot open the file
        !            58: .I /dev/log,
        !            59: it writes on
        !            60: .I /dev/console
        !            61: instead and returns -1.
        !            62: .PP
        !            63: .I Closelog
        !            64: can be used to close the log file.
        !            65: .SH EXAMPLES
        !            66: .nf
        !            67: syslog(LOG_SALERT, "who: internal error 23");
        !            68: 
        !            69: openlog("serverftp", LOG_PID);
        !            70: syslog(LOG_INFO, "Connection from host %d", CallingHost);
        !            71: .fi
        !            72: .SH SEE\ ALSO
        !            73: syslog(8)

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