Keep Only the Highest Set Bit

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

// Complete the function
uint16_t highest_set_bit(uint16_t reg) {
    int bit_status, pos;
    for(int i=0; i<16; i++) {
        bit_status = (reg >> i) & 1;
        if(bit_status == 1) {
            pos = i;
        }

    }
    reg &= (1 << pos);
    return reg;


}

int main() {
    uint16_t reg;
    scanf("%hu", &reg);

    uint16_t result = highest_set_bit(reg);
    printf("%hu", result);
    return 0;
}