TREE  INVT

main
        makeList
                addList
                        findHead  (+3)
                        findElt
        makeGraf
                findHead  ¤
                        cmpHead
                schedNode
                schedScan
                        findHead  (-4)
                        addGrafNode
                                schedNode
                        addGrafLeaf
        scanGraf
                scanGrafNode  ¤
                        scanGrafNode  (-1)
                        <*function>
recursCheck
outGrafNode
        recursCheck
outGrafLeaf
lineNode
        recursCheck
lineLeaf