wcsmbs/wcschr.c

   1 /* Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <wchar.h>
  19
  20 /* Find the first occurrence of WC in WCS.  */
  21 #ifdef WCSCHR
  22 # define wcschr WCSCHR
  23 #endif
  24
  25 wchar_t *
  26 wcschr (wcs, wc)
  27      register const wchar_t *wcs;
  28      register const wchar_t wc;
  29 {
  30   do
  31     if (*wcs == wc)
  32       return (wchar_t *) wcs;
  33   while (*wcs++ != L'\0');
  34
  35   return NULL;
  36 }
  37 libc_hidden_def (wcschr)