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endian.h
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/* Copyright (C) 1992-2022 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _ENDIAN_H #define _ENDIAN_H 1 #include <features.h> /* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */ #include <bits/endian.h> #ifdef __USE_MISC # define LITTLE_ENDIAN __LITTLE_ENDIAN # define BIG_ENDIAN __BIG_ENDIAN # define PDP_ENDIAN __PDP_ENDIAN # define BYTE_ORDER __BYTE_ORDER #endif #if defined __USE_MISC && !defined __ASSEMBLER__ /* Conversion interfaces. */ # include <bits/byteswap.h> # include <bits/uintn-identity.h> # if __BYTE_ORDER == __LITTLE_ENDIAN # define htobe16(x) __bswap_16 (x) # define htole16(x) __uint16_identity (x) # define be16toh(x) __bswap_16 (x) # define le16toh(x) __uint16_identity (x) # define htobe32(x) __bswap_32 (x) # define htole32(x) __uint32_identity (x) # define be32toh(x) __bswap_32 (x) # define le32toh(x) __uint32_identity (x) # define htobe64(x) __bswap_64 (x) # define htole64(x) __uint64_identity (x) # define be64toh(x) __bswap_64 (x) # define le64toh(x) __uint64_identity (x) # else # define htobe16(x) __uint16_identity (x) # define htole16(x) __bswap_16 (x) # define be16toh(x) __uint16_identity (x) # define le16toh(x) __bswap_16 (x) # define htobe32(x) __uint32_identity (x) # define htole32(x) __bswap_32 (x) # define be32toh(x) __uint32_identity (x) # define le32toh(x) __bswap_32 (x) # define htobe64(x) __uint64_identity (x) # define htole64(x) __bswap_64 (x) # define be64toh(x) __uint64_identity (x) # define le64toh(x) __bswap_64 (x) # endif #endif #endif /* endian.h */