Bit Operations using Macros

#include <stdio.h>
#include <stdint.h>

// Define bitwise macros here
#define set_bit_defined(a)   (a |= 0x84)
#define clear_bit_3(a)       (a &= ~0x08)
#define toggle_bit_5(a)      (a ^= 0x20)
uint8_t modify_register(uint8_t reg) {
    // Apply operations in order
    set_bit_defined(reg);
    clear_bit_3(reg);
    toggle_bit_5(reg);
    return reg;
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    printf("%u", modify_register(reg));
    return 0;
}