123. Carry Flag in 8-bit Addition

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

void add_with_carry(uint8_t a, uint8_t b, uint8_t* result, uint8_t* carry) {
    /*
    * uint8_t variables can hold this range of values [0-255] = 256 total.
    */
    if ((a + b) > 255) *carry = 1;

    *result = (a % 256) + (b % 256);

}

int main() {
    uint8_t a, b, result, carry;
    scanf("%hhu %hhu", &a, &b);

    add_with_carry(a, b, &result, &carry);

    printf("%u ", result);
    printf("%u", carry);
    return 0;
}