dectooct

uint32_t
__CRT_dectooct(uint32_t dec)
{
    uint32_t oct = 0;
    if (dec)
    {
        uint32_t m = 0;
        uint32_t m2 = 0;
        while (1)
        {
            uint32_t rem = dec % 8;
            dec /= 8;

            m2 = m * 10;
            if (!m2)
                oct += rem;
            else
                oct += rem * m2;
            if (!m)
                m = 1;
            else
                m *= 10;

            if (!dec)
                break;
        }
    }
    return oct;
}

uint64_t
__CRT_dectooctll(uint64_t dec)
{
    uint64_t oct = 0;
    if (dec)
    {
        uint64_t m = 0;
        uint64_t m2 = 0;
        while (1)
        {
            uint64_t rem = dec % 8;
            dec /= 8;

            m2 = m * 10;
            if (!m2)
                oct += rem;
            else
                oct += rem * m2;
            if (!m)
                m = 1;
            else
                m *= 10;

            if (!dec)
                break;
        }
    }
    return oct;
}