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#include <stdio.h> int main() { int var_old = 0x55; int var_new = 0xAA; printf("\n%02X %02X",var_old,var_new); (var_new&(1<<0)) ? (var_old |= (1<<0)) : (var_old &= ~(1<<0)); printf("\n%02X %02X",var_old,var_new); return 0; }
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55 AA 54 AA