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  1. /*
  2. FUNCTION
  3.         <<wcscpy>>---copy a wide-character string
  4.  
  5. ANSI_SYNOPSIS
  6.         #include <wchar.h>
  7.         wchar_t *wcscpy(wchar_t *__restrict <[s1]>,
  8.                         const wchar_t *__restrict <[s2]>);
  9.  
  10. TRAD_SYNOPSIS
  11.         wchar_t *wcscpy(<[s1]>, <[s2]>
  12.         wchar_t *__restrict <[s1]>;
  13.         const wchar_t *__restrict <[s2]>;
  14.  
  15. DESCRIPTION
  16.         The <<wcscpy>> function copies the wide-character string pointed to by
  17.         <[s2]> (including the terminating null wide-character code) into the
  18.         array pointed to by <[s1]>. If copying takes place between objects that
  19.         overlap, the behaviour is undefined.
  20.  
  21. RETURNS
  22.         The <<wcscpy>> function returns <[s1]>; no return value is reserved to
  23.         indicate an error.
  24.  
  25. PORTABILITY
  26. <<wcscpy>> is ISO/IEC 9899/AMD1:1995 (ISO C).
  27.  
  28. No supporting OS subroutines are required.
  29. */
  30.  
  31. /*      $NetBSD: wcscpy.c,v 1.1 2000/12/23 23:14:36 itojun Exp $        */
  32.  
  33. /*-
  34.  * Copyright (c)1999 Citrus Project,
  35.  * All rights reserved.
  36.  *
  37.  * Redistribution and use in source and binary forms, with or without
  38.  * modification, are permitted provided that the following conditions
  39.  * are met:
  40.  * 1. Redistributions of source code must retain the above copyright
  41.  *    notice, this list of conditions and the following disclaimer.
  42.  * 2. Redistributions in binary form must reproduce the above copyright
  43.  *    notice, this list of conditions and the following disclaimer in the
  44.  *    documentation and/or other materials provided with the distribution.
  45.  *
  46.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  47.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  48.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  49.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  50.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  51.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  52.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  53.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  54.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  55.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56.  * SUCH DAMAGE.
  57.  *
  58.  *      citrus Id: wcscpy.c,v 1.2 2000/12/21 04:51:09 itojun Exp
  59.  */
  60.  
  61. #include <_ansi.h>
  62. #include <wchar.h>
  63.  
  64. wchar_t *
  65. _DEFUN (wcscpy, (s1, s2),
  66.         wchar_t *__restrict s1 _AND
  67.         _CONST wchar_t *__restrict s2)
  68. {
  69.   wchar_t *p;
  70.   _CONST wchar_t *q;
  71.  
  72.   *s1 = '\0';
  73.   p = s1;
  74.   q = s2;
  75.   while (*q)
  76.     *p++ = *q++;
  77.   *p = '\0';
  78.  
  79.   return s1;
  80. }
  81.