| /* Copyright (C) 1995-2016 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> | 
 |  | 
 | #ifndef WCSCMP | 
 | # define WCSCMP __wcscmp | 
 | #endif | 
 |  | 
 | /* Compare S1 and S2, returning less than, equal to or | 
 |    greater than zero if S1 is lexicographically less than, | 
 |    equal to or greater than S2.	 */ | 
 | int | 
 | WCSCMP (const wchar_t *s1, const wchar_t *s2) | 
 | { | 
 |   wchar_t c1, c2; | 
 |  | 
 |   do | 
 |     { | 
 |       c1 = *s1++; | 
 |       c2 = *s2++; | 
 |       if (c2 == L'\0') | 
 | 	return c1 - c2; | 
 |     } | 
 |   while (c1 == c2); | 
 |  | 
 |   return c1 < c2 ? -1 : 1; | 
 | } | 
 | libc_hidden_def (WCSCMP) | 
 | weak_alias (WCSCMP, wcscmp) |