1int main(void)2{3 int i;4 unsigned u;56 i = 1;7 i = -1;8 i = -1l;9 i = -1u;10 i = -1ll;11 i = 32766 + 1 & 3;12 i = (int) 32768 < 0;13 i = -1u < 0;1415 u = 1;16 u = -1;17 u = -1l;18 u = -1u;19 u = -1ll;20 u = (unsigned) 32768 < 0;21 u = 32766 + 1 & 3;22 u = -1u < 0;23 return 0;24}