Found a nap() timer

[Warren Tucker]

>[re Xenix nap].  Its argument is the number of milliseconds
>to pause, granularized to 1/HZ milliseconds.
I'm not sure about other implementations of XENIX, but the
granularity of XENIX nap() is 20 msec for 80286 and 50 msec
for 8086/8088 implementations.  nap() is not available in
straight Sys V or BSD.

-- 
Warren Tucker
...!{akgua,allegra,amd,hplabs,ihnp4,seismo,ut-ngp}!gatech!gitpyr!edp