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/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.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
* (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 <wchar.h>
# pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
/**
* Returns length of the initial substring
* that consists entirely of a set of specified
* wide characters.
*
* @param string The string.
* @param skipset Characters allowed in the substring.
* @return The length of the substring.
*
* @since Always.
*/
size_t wcsspn(const wchar_t* string, const wchar_t* skipset)
{
wchar_t* s = string;
wchar_t c;
while ((c = *s++))
if (wcschr(skipset, c) == NULL)
break;
return (size_t)(s - 1 - string);
}
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