git: 9front

ref: f23e5d077af28423a85cd323c78888c9e8754a74
dir: /sys/src/cmd/upas/fs/

dat.h
fs.c
imap4.c
mbox.c
mkfile
plan9.c
planb.c
pop3.c
readdir.c
rfc2047-test
strtotm.c
tester.c