digraph structs { node [shape=record]; struct1 [shape=record,label=" left| middle| right"]; struct2 [shape=record,label=" one| two"]; struct3 [shape=record,label="hello\nworld |{ b |{c| d|e}| f}| g | h"]; struct1:f1 -> struct2:f0; struct1:f2 -> struct3:here; }