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digraph G {

aize =”4,4”;

main [shape=box];

main -> parse [weight=8];

parse -> execute;

main -> init [style=dotted];

main -> cleanup;

execute -> { make_string; printf}

init -> make_string;

edge [color=red];

main -> printf [style=bold,label=”100 times”];

make_string [label=”make a string”];

node [shape=box,style=filled,color=”.7 .3 1.0”];

execute -> compare;

}

)