Extract a Bit Field from a 32-bit Register

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

uint32_t extract_field(uint32_t reg, uint8_t pos, uint8_t len) {
    // Your code here
    uint32_t out=0;
    uint8_t cout=0;
    for(int i=pos; i<pos+len; i++)
    {
        out |= ((reg>>i)&0x01)<<cout;
        // printf("i=%d out=%d \n",i,out);
        cout++;
    }
    return out;
}

int main() {
    uint32_t reg;
    uint8_t pos, len;
    scanf("%u %hhu %hhu", &reg, &pos, &len);
    printf("%u", extract_field(reg, pos, len));
    return 0;
}