1  #include <string/endian.h>
       2  
       3  #if defined _LIBC && !defined _ISOMAC
       4  # if __FLOAT_WORD_ORDER == __BIG_ENDIAN
       5  #  define BIG_ENDI 1
       6  #  undef LITTLE_ENDI
       7  #  define HIGH_HALF 0
       8  #  define  LOW_HALF 1
       9  # else
      10  #  if __FLOAT_WORD_ORDER == __LITTLE_ENDIAN
      11  #   undef BIG_ENDI
      12  #   define LITTLE_ENDI 1
      13  #   define HIGH_HALF 1
      14  #   define  LOW_HALF 0
      15  #  endif
      16  # endif
      17  #endif