* Copyright 2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* Copyright 2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* authorization. *
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* Author: Thomas E. Dickey
* authorization. *
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* Author: Thomas E. Dickey