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#ifndef _BITS_ENDIANNESS_H #define _BITS_ENDIANNESS_H 1 #ifndef _BITS_ENDIAN_H # error "Never use <bits/endianness.h> directly; include <endian.h> instead." #endif /* IA64 is little-endian. */ #define __BYTE_ORDER __LITTLE_ENDIAN #endif /* bits/endianness.h */