1  /* Multiple versions of strrchr.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* Define multiple versions only for the definition in libc.  */
      20  #if IS_IN (libc)
      21  # define strrchr __redirect_strrchr
      22  # include <string.h>
      23  # undef strrchr
      24  
      25  # define SYMBOL_NAME strrchr
      26  # include "ifunc-avx2.h"
      27  
      28  libc_ifunc_redirected (__redirect_strrchr, strrchr, IFUNC_SELECTOR ());
      29  weak_alias (strrchr, rindex);
      30  # ifdef SHARED
      31  __hidden_ver1 (strrchr, __GI_strrchr, __redirect_strrchr)
      32    __attribute__((visibility ("hidden"))) __attribute_copy__ (strrchr);
      33  # endif
      34  #endif