|  | /* Copyright (C) 1995-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | 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> | 
|  |  | 
|  | #ifdef WCSCHRNUL | 
|  | # define __wcschrnul WCSCHRNUL | 
|  | #endif | 
|  |  | 
|  | /* Find the first occurrence of WC in WCS.  */ | 
|  | wchar_t * | 
|  | __wcschrnul (const wchar_t *wcs, const wchar_t wc) | 
|  | { | 
|  | while (*wcs != L'\0') | 
|  | if (*wcs == wc) | 
|  | break; | 
|  | else | 
|  | ++wcs; | 
|  |  | 
|  | return (wchar_t *) wcs; | 
|  | } | 
|  | #ifndef WCSCHRNUL | 
|  | weak_alias (__wcschrnul, wcschrnul) | 
|  | #endif |