Detect Circular Pattern Match

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

uint8_t is_circular_match(uint16_t reg, uint16_t target) {
    int matches=0;
    for(int i=0;i<16;i++)
    {
        if(reg == target)
        matches++;

        reg=(reg>>1) | (reg<<15);
    }
    return (matches>0);
}

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