git: purgatorio

ref: 82a3f55c5fb7b9f7a82449e4eb943c535ec3e491
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