kandr

exercises from K&R
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printf_binary.c (217B)

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#include <stdio.h>

void bp(char n){
    /* prints chars up to value 255 (for 255, the MSB is 2^7 == 128) */
    int i = 128;
    while (i) {
        printf("%c", ((n & i) == i) ? '1' : '0');
        i >>= 1;
    }
}