unsigned int
hex_to_uint(char *s)
{
unsigned int ret = 0;
size_t i;
for (i = 4; i > 0; i--) {
ret = (ret << 8) | (to_bin(s[2 * (i - 1)]) << 4);
ret |= to_bin(s[2 * (i - 1) + 1]);
}
return ret;
}
ull swap(ull n, ull a, ull b) {
char bin[B+1], aux;
to_bin(n, bin);
aux = bin[a];
bin[a] = bin[b];
bin[b] = aux;
return to_dec(bin);
}
int main(void)
{
unsigned int word1 = 077u, word2 = 0150u, word3 = 0210u;
printf ("%o ", word1 & word2);
printf ("%o ", word1 & word1);
printf ("%o ", word1 & word2 & word3);
printf ("\n");
printf ("----------------------------------------------\n");
printf ("In binary terms:\n");
printf ("word1 = %i, and in binary ", word1);
to_bin(word1);
printf ("word2 = %i, and in binary ", word2);
to_bin(word2);
printf ("word3 = %i, and in binary ", word3);
to_bin(word3);
printf ("word1 & word2 = %i or in binary ", word1 & word2);
to_bin(word1 & word2);
printf ("word1 & word1 = %i or in binary ", word1 & word1);
to_bin(word1 & word1);
printf ("word1 & word2 & word3 = %i or in binary ", word1 & word2 & word3);
to_bin(word1 & word2 & word3);
return 0;
}
