C语言or和and运算

#include <stdio.h>  

void main ()
{
    printf("0 | 0 is %d\n",  | );
    printf("0 | 1 is %d\n",  | );
    printf("1 | 1 is %d\n",  | );
    printf("1 | 2 is %d\n",  | );
    printf("128 | 127 is %d\n",  | );
}   

#include <stdio.h>  

void main ()
{
    printf("0 & 0 is %d\n",  & );
    printf("0 & 1 is %d\n",  & );
    printf("1 & 1 is %d\n",  & );
    printf("1 & 2 is %d\n",  & );
    printf("15 & 127 is %d\n",  & );
}   

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