Rotate Left in an 8-bit Register

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

uint8_t rotate_left(uint8_t reg, uint8_t n) {
    //Rotate left by n positions & wrap
    //1. Bitshift left by n positions (1111000)
    //2. Bitshift right by 8-n to move "lost" bits to front (00000111)
    //3. Set the "lost" bits to front (1111111)
    return (reg << n) | (reg >> 8-n);
}

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