ref: 6ca3acb55e24e85c5998cbc2bb02fa2eef1233d7 dir: /sys/src/cmd/ip/ppp/dotest/
#!/bin/rc if(! test -e /net.alt/tcp) bind -a '#I1' /net.alt if(! test -e /net.alt2/tcp) bind -a '#I2' /net.alt2 kill 8.out|rc kill testppp|rc testppp