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This software may only be used by you under license from AT&T Corp.
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("AT&T"). A copy of AT&T's Source Code Agreement is available at
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AT&T's Internet website having the URL:
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<http://www.research.att.com/sw/tools/graphviz/license/source.html>
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If you received this software without first entering into a license
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with AT&T, you have an infringing copy of this software and cannot use
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it without violating AT&T's intellectual property rights.
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* Written by Emden R. Gansner
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* Derived from Graham Wills' algorithm described in GD'97.
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"twopi", /* Program */
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VERSION, /* Version */
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static void intr(int s)
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if (G) dotneato_write(G);
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int main (int argc, char** argv)
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dotneato_initialize (argc, argv);
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signal (SIGUSR1, toggle);
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signal (SIGINT, intr);
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while ((G = next_input_graph())) {
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if (prev) twopi_cleanup(prev);