1/* Copyright (C) 1991-2022 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. */
27char *
28STRCAT (char *dest, const char *src)
29{
30 strcpy (dest + strlen (dest), src);
31 return dest;
32}
33libc_hidden_builtin_def (strcat)
34

source code of glibc/string/strcat.c