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- #ifndef _ENDIAN_H
- # error "Never use <bits/endian.h> directly; include <endian.h> instead."
- #endif
- #if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
- # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
- # error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
- # endif
- # define __BYTE_ORDER __BIG_ENDIAN
- #else
- # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
- # define __BYTE_ORDER __LITTLE_ENDIAN
- # else
- # warning Cannot determine current byte order, assuming big-endian.
- # define __BYTE_ORDER __BIG_ENDIAN
- # endif
- #endif
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