#ifndef _XARCH_H_
# define _XARCH_H_
# ifdef X_BYTE_ORDER
# define X_BIG_ENDIAN 4321
# define X_LITTLE_ENDIAN 1234
# else
# if defined(SVR4) || defined(__SVR4)
# include <sys/types.h>
# include <sys/byteorder.h>
# elif defined(CSRG_BASED)
# if defined(__NetBSD__) || defined(__OpenBSD__)
# include <sys/types.h>
# endif
# include <machine/endian.h>
# elif defined(linux)
# if defined __STRICT_ANSI__
# undef __STRICT_ANSI__
# include <endian.h>
# define __STRICT_ANSI__
# else
# include <endian.h>
# endif
# if !defined(LITTLE_ENDIAN) && defined(__LITTLE_ENDIAN)
# define LITTLE_ENDIAN __LITTLE_ENDIAN
# endif
# if !defined(BIG_ENDIAN) && defined(__BIG_ENDIAN)
# define BIG_ENDIAN __BIG_ENDIAN
# endif
# if !defined(PDP_ENDIAN) && defined(__PDP_ENDIAN)
# define PDP_ENDIAN __PDP_ENDIAN
# endif
# if !defined(BYTE_ORDER) && defined(__BYTE_ORDER)
# define BYTE_ORDER __BYTE_ORDER
# endif
# endif
# ifndef BYTE_ORDER
# define LITTLE_ENDIAN 1234
# define BIG_ENDIAN 4321
# if defined(__sun) && defined(__SVR4)
# include <sys/isa_defs.h>
# ifdef _LITTLE_ENDIAN
# define BYTE_ORDER LITTLE_ENDIAN
# endif
# ifdef _BIG_ENDIAN
# define BYTE_ORDER BIG_ENDIAN
# endif
# endif
# endif
# define X_BYTE_ORDER BYTE_ORDER
# define X_BIG_ENDIAN BIG_ENDIAN
# define X_LITTLE_ENDIAN LITTLE_ENDIAN
# endif
#endif