1  /* Copyright (C) 1991-2023 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     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <string.h>
      19  
      20  #undef strrchr
      21  
      22  #ifndef STRRCHR
      23  # define STRRCHR strrchr
      24  #endif
      25  
      26  /* Find the last occurrence of C in S.  */
      27  char *
      28  STRRCHR (const char *s, int c)
      29  {
      30    return __memrchr (s, c, strlen (s) + 1);
      31  }
      32  
      33  #ifdef weak_alias
      34  #undef rindex
      35  weak_alias (strrchr, rindex)
      36  #endif
      37  libc_hidden_builtin_def (strrchr)