setBit, copyBits

void setBit(unsigned int& V, int bitNo, bool value){
    if(value){
        V = V | (1 << bitNo - 1);
    }
    else {
        V = V & ~(1 << bitNo -1);
    }
}

void copyBits(unsigned int& V, int bitNo, int NoOfBits, unsigned int mask){
    unsigned int m = 1 << (bitNo - 1);
    unsigned int check;
    int i;
    for(i = 0; i < NoOfBits; i++){//using setBit();
        check = mask & m;
        setBit(V, bitNo++, check);
        m <<= 1;
    }
    /*for (i = 0; i < NoOfBits; i++){
        check = mask & m;
        if (check) {
            V = V | m;
        }
        else {
            V = V & ~m;
        }
        m <<= 1;
    }*/
}