/C/Toggling setting clearing checking changing a bit in c

Toggling setting clearing checking changing a bit in c

// Setting a bit
number |= 1UL << n;
// Clearing a bit
number &= ~(1UL << n);
// Toggling a bit
number ^= 1UL << n;
// Checking a bit
bit = (number >> n) & 1U;
// Changing the nth bit to x
number ^= (-x ^ number) & (1UL << n);

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