To deal with these messages, most Unix systems have a facility called Syslog. It is generally based on a daemon called Syslogd Syslogd listens for messages ...
syslog(3) Library Functions Manual syslog(3). NAME top. closelog, openlog, syslog, vsyslog - send messages to the system logger. LIBRARY top. Standard C ...
syslog() generates a log message, which will be distributed by syslogd(8). The priority argument is formed by ORing the facility and the level values ...
Here is an example of openlog , syslog , and closelog : This example sets the logmask so that debug and informational messages get discarded without ever ...