Clear the Bit in an 8-bit Register

Code

#include <stdio.h>
#include <stdint.h>
#define clear_bit(a,n) (a&(~(1<<n)))

int main() {
    uint8_t reg, pos;
    scanf("%hhu %hhu", &reg, &pos);
    uint8_t result = clear_bit(reg, pos);
    printf("%u", result);
    return 0;
}

Solving Approach