text: /* Copyright (C) 1991, 1994, 1996-1997, 2002-2003, 2005-2006, 2009-2010 Free
   * Software Foundation, Inc.
  
     NOTE: The canonical source of this file is maintained with the GNU C Library.
     Bugs can be reported to bug-glibc@gnu.org.
  
     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 of the License, or 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 <stddef.h>
  #include <string.h>
  
  #undef strcspn
  
  /* Return the length of the maximum initial segment of S
     which contains no characters from REJECT.  */
  size_t
  strcspn (const char *s, const char *reject)
  {
    size_t count = 0;
  
    while (*s != '\0')
      if (strchr (reject, *s++) == NULL)
        ++count;
      else
        return count;
  
    return count;
  }
  