/usr/lib/swi-prolog/library/syslog.pl
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 syslog(+Priority, +Message) is det
Send a message to the system log. Note that syslog/2 implicitly opens a connection to the system log if such a connection has not been opened explicitly using openlog/3.
Arguments:
Priority- is one of emerg, alert, crit, err, warning, notice, info or debug.
ClioPatria (version V3.1.1-21-gb8003bb)