1 /*=========================================================================== 2 * 3 * PUBLIC DOMAIN NOTICE 4 * National Center for Biotechnology Information 5 * 6 * This software/database is a "United States Government Work" under the 7 * terms of the United States Copyright Act. It was written as part of 8 * the author's official duties as a United States Government employee and 9 * thus cannot be copyrighted. This software/database is freely available 10 * to the public for use. The National Library of Medicine and the U.S. 11 * Government have not placed any restriction on its use or reproduction. 12 * 13 * Although all reasonable efforts have been taken to ensure the accuracy 14 * and reliability of the software and data, the NLM and the U.S. 15 * Government do not and cannot warrant the performance or results that 16 * may be obtained by using this software or data. The NLM and the U.S. 17 * Government disclaim all warranties, express or implied, including 18 * warranties of performance, merchantability or fitness for any particular 19 * purpose. 20 * 21 * Please cite the author in any work or product based on this material. 22 * 23 * =========================================================================== 24 * 25 */ 26 27 #ifndef _h_endian_ 28 #define _h_endian_ 29 30 #include <sys/isa_defs.h> 31 32 #define __LITTLE_ENDIAN 1234 33 #define __BIG_ENDIAN 4321 34 #define __PDP_ENDIAN 3412 35 36 #if defined _BIG_ENDIAN 37 #define __BYTE_ORDER __BIG_ENDIAN 38 #elif defined _LITTLE_ENDIAN 39 #define __BYTE_ORDER __LITTLE_ENDIAN 40 #else 41 #error "did not determine byte order" 42 #endif 43 44 #endif /* _h_endian_ */ 45