git: 9front

ref: 4a1d005a9a2318b99df31c92b2c8bcd11cffdb5a
dir: /sys/src/cmd/upas/common/

appendfiletombox.c
aux.c
become.c
common.h
config.c
libsys.c
mail.c
makefile
mkfile
process.c
sys.h