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 strcat
      21  
      22  #ifndef STRCAT
      23  # define STRCAT strcat
      24  #endif
      25  
      26  /* Append SRC on the end of DEST.  */
      27  char *
      28  STRCAT (char *dest, const char *src)
      29  {
      30    strcpy (dest + strlen (dest), src);
      31    return dest;
      32  }
      33  libc_hidden_builtin_def (strcat)