Bit Operations using Macros

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

// Define bitwise macros here

#define SET_BIT(x,k) (x |= (1<<k))
#define CLEAR_BIT(x,k) (x &= ~(1<<k))
#define TOGGLE_BIT(x,k) (x ^= (1<<k))

uint8_t modify_register(uint8_t reg) {
    // Apply operations in order
    SET_BIT(reg,2);
    SET_BIT(reg ,7);
    CLEAR_BIT(reg ,3);
    TOGGLE_BIT(reg,5);
    return reg;
}

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