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/* Copyright (C) 1991, 1994, 1996-1997, 2002-2003, 2005-2006, 2009-2022 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 file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <stddef.h>
#include <string.h>
#if _LIBC
# undef strcspn
#endif
/* 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;
}
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