Bit Operations using Macros

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

// Define bitwise macros here
#define SET_BITS (reg|(1<<2)|(1<<7))
#define CLEAR_BITS ( reg & (~(1<<3)))
#define TOGGLE_BITS ( reg ^ ((1<<5)))
uint8_t modify_register(uint8_t reg) {
    // Apply operations in order
    reg =SET_BITS;
    reg =CLEAR_BITS;
    reg =TOGGLE_BITS;
    return reg;
}

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