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/* Find the length of STRING, but scan at most MAXLEN characters. 
   Copyright (C) 2005-2007, 2009-2013 Free Software Foundation, Inc. 
   Written by Simon Josefsson. 
 
   This program is free software; you can redistribute it and/or modify 
   it under the terms of the GNU General Public License as published by 
   the Free Software Foundation; either version 3, or (at your option) 
   any later version. 
 
   This program is distributed in the hope that it will be useful, 
   but WITHOUT ANY WARRANTY; without even the implied warranty of 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
   GNU General Public License for more details. 
 
   You should have received a copy of the GNU General Public License 
   along with this program; if not, see <http://www.gnu.org/licenses/>.  */ 
 
#include <config.h> 
 
#include <string.h> 
 
/* Find the length of STRING, but scan at most MAXLEN characters. 
   If no '\0' terminator is found in that many characters, return MAXLEN.  */ 
 
size_t 
strnlen (const char *string, size_t maxlen) 
{ 
  const char *end = memchr (string, '\0', maxlen); 
  return end ? (size_t) (end - string) : maxlen; 
}