/sources/plan9/sys/src/cmd/upas/fs/
      4250 2010-02-04 dat.h
     26929 2007-03-31 fs.c
     16561 2012-03-29 imap4.c
     27314 2010-02-04 mbox.c
       332 2010-02-04 mkfile
      7636 2010-08-28 plan9.c
      8170 2010-08-28 planb.c
     13157 2012-03-29 pop3.c
       203 1999-12-12 readdir.c
      1146 2006-04-02 rfc2047-test
      1904 2002-12-29 strtotm.c
      1418 2001-03-20 tester.c