#include?

int?is_little_endian（）?{
??union?{
????uint16_t?value;
????uint8_t?bytes[2];
??}?test;
??test.value?=?1;
??return?test.bytes[0]?==?1;
}

int?main（）?{
??printf（“IS_LITTLE_ENDIAN:?%d\n“?is_little_endian（））;
}