1deffs REGRESSFS 2 3device master { } 4attach master at root 5 6define hook { } 7 8device parentii: hook 9attach parentii at master 10device parenti: hook 11attach parenti at master 12 13device child 14attach child at hook 15 16device looper { } 17attach looper at master with looper_master 18attach looper at looper with looper_looper 19 20device loopchild { } 21attach loopchild at looper 22 23device loopbaby 24attach loopbaby at loopchild 25 26defpseudo pseudodev: hook 27