Detect Circular Pattern Match

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

uint8_t is_circular_match(uint16_t reg, uint16_t target) {
    uint8_t val=0;
    while(reg!=target)
    {
        reg=(reg>>1)|(reg<<(16-1));
        val++;
        if(val>=16) return 0;
    }
    return 1;
}

int main() {
    uint16_t reg, target;
    scanf("%hu %hu", &reg, &target);
    printf("%hhu", is_circular_match(reg, target));
    return 0;
}