.TH SYS-MILLISEC 2.SH NAMEmillisec \- millisecond timer.SH SYNOPSIS.EXinclude "sys.m";sys := load Sys Sys->PATH; millisec:	fn(): int;.EE.SH DESCRIPTION.B Millisecreturns the value of an internal system clock, in milliseconds.The actual resolution of the clock is a property of the underlyingsystem and may be coarser than a millisecond.The epoch is arbitrary, so.B millisecis useful for measuring durations but not absolute time.If the system operates continuously, the millisecond counter overflowsevery few months;a reboot resets the epoch..SH SEE ALSO.IR sys-intro (2),.IR sys-sleep (2)