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/* Search wide string for a wide character.
Copyright (C) 1999, 2011-2023 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 1999.
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/>. */
wchar_t *
wcsrchr (const wchar_t *wcs, wchar_t wc)
{
/* Calling wcslen and then searching from the other end would cause more
memory accesses. Avoid that, at the cost of a few more comparisons. */
wchar_t *result = NULL;
for (;; wcs++)
{
if (*wcs == wc)
result = (wchar_t *) wcs;
if (*wcs == (wchar_t)'\0')
break;
}
return result;
}
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