--rw-rw---- rsc sys  13 May  8  2005 email
--rw-rw-r-- rsc sys  29 May  8  2005 files
--rw-rw-r-- rsc sys 214 May  8  2005 notes
--rw-rw-r-- rsc sys  53 May 12  2005 origls
--rw-rw-r-- rsc sys  88 May  8  2005 readme
--rw-rw-r-- rsc sys 128 May  8  2005 sleep.c
--rw-rw-r-- rsc sys 170 May  8  2005 sleep.c.orig