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/* Compare strings while treating digits characters numerically.
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Copyright (C) 1997, 2000, 2002, 2004, 2006, 2009-2010 Free Software
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Copyright (C) 1997, 2000, 2002, 2004, 2006, 2009-2011 Free Software
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This file is part of the GNU C Library.
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Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.