String function ( ) { return "srini_string" ; }
returns a string that is used to end a graph . concode_field_sep String TEMP_DIR concode_elem_sep StringBuilder graph concode_elem_sep String DOT concode_field_sep void add concode_elem_sep void addln concode_elem_sep void addln concode_elem_sep byte[] getGraph concode_elem_sep int writeGraphToFile concode_elem_sep int writeGraphToFile concode_elem_sep String start_graph concode_elem_sep String start_subgraph concode_elem_sep void readSource concode_elem_sep String getDotSource concode_elem_sep File writeDotSourceToFile concode_elem_sep byte[] get_img_stream concode_elem_sep String end_subgraph