1/* Copyright (C) 1993-2023 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 <netinet/in.h>
19
20#undef htons
21#undef ntohs
22
23uint16_t
24htons (uint16_t x)
25{
26#if BYTE_ORDER == BIG_ENDIAN
27 return x;
28#elif BYTE_ORDER == LITTLE_ENDIAN
29 return __bswap_16 (x);
30#else
31# error "What kind of system is this?"
32#endif
33}
34weak_alias (htons, ntohs)
35