1/* Copyright (C) 1993-2022 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 <stdint.h>
19#include <netinet/in.h>
20
21#undef htonl
22#undef ntohl
23
24uint32_t
25htonl (uint32_t x)
26{
27#if BYTE_ORDER == BIG_ENDIAN
28 return x;
29#elif BYTE_ORDER == LITTLE_ENDIAN
30 return __bswap_32 (bsx: x);
31#else
32# error "What kind of system is this?"
33#endif
34}
35weak_alias (htonl, ntohl)
36

source code of glibc/inet/htonl.c