union { long long int i; int s[2];}a;
int main(void){ a.i=0x1122334455667788;
printf("%llx %p\n",a.i,&(a.i)); printf("%x %p\n",a.s[0],&(a.s[0])); printf("%x %p\n",a.s[1],&(a.s[1]));
return 0;}
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