git: purgatorio

ref: 76f5318cbd58fbe2bfc8cb51856bfa217c673bb7
dir: /appl/cmd/ip/ppp/

mkfile
modem.b
modem.m
pppclient.b
pppclient.m
pppdial.b
pppgui.b
pppgui.m
ppptest.b
script.b
script.m