--rw-rw-rw- geoff  sys    22 Dec 25  2012 email
--rw-rw-rw- bootes sys    76 Dec 25  2012 files
--rw-rw-rw- geoff  sys     0 Dec 25  2012 notes
--rw-rw-r-- geoff  sys    59 Jan 24  2013 origls
--rw-rw-rw- geoff  sys   140 Dec 25  2012 readme
--rw-rw-r-- bootes sys 10138 Dec 25  2012 readpng.c
--rw-rw-r-- bootes sys 10117 Jan 24  2013 readpng.c.backup
--rw-rw-r-- bootes sys 10138 Jan 24  2013 readpng.c.new
--rw-rw-r-- bootes sys 10117 Dec 25  2012 readpng.c.orig
--rw-rw-r-- bootes sys  4590 Dec 25  2012 writepng.c
--rw-rw-r-- geoff  sys  4556 Jan 24  2013 writepng.c.backup
--rw-rw-r-- bootes sys  4590 Jan 24  2013 writepng.c.new
--rw-rw-r-- bootes sys  4556 Dec 25  2012 writepng.c.orig