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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <wchar.h>
/* Return the length of the maximum initial segment
of WCS which contains only wide-characters in ACCEPT. */
size_t
wcsspn (wcs, accept)
const wchar_t *wcs;
const wchar_t *accept;
{
register const wchar_t *p;
register const wchar_t *a;
register size_t count = 0;
for (p = wcs; *p != L'\0'; ++p)
{
for (a = accept; *a != L'\0'; ++a)
if (*p == *a)
break;
if (*a == L'\0')
return count;
else
++count;
}
return count;
}
libc_hidden_def (wcsspn)
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