asl(3) on macOS

The text e85052b4cfc4, as Mac OS X 10.5.5, Mac OS X 10.5.4, Mac OS X 10.5.3, Mac OS X 10.5.2, Mac OS X 10.5.1, Mac OS X 10.5 shipped it.

system log message sending and searching functions

asl(3) on macOS now