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#include <stdio.h>
int main (void) {
int a = 0x87654321;
printf("Ans A: 0x%.8x\n", (a & 0xff));
printf("Ans B: 0x%.8x\n", ((~a) & ((~0) & ~0xff)) | (a & 0xff));
printf("Ans B2: 0x%.8x\n", ((~0xff) & (~a)) |(a & 0xff));
printf("Ans C: 0x%.8x\n", (a | 0xff));
return 0;
}
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