itoa

void itoa(int num, char alpha[])
{
    memset((char*)alpha, 0, 15); // <cstring>
    int log = (floor(log10((double)num)) + 1); // <cmath>
    int done = 0;
    for(int i = log - 1; i >= 0; --i)
    {
        int temp = num;
        int tlog = log - 1;
        for(tlog; tlog > done; tlog--)
        {
            temp = temp % (int)(pow(10, (double)tlog));
        }
        temp /= pow(10, (double)done);
        alpha[i] = temp + '0';
        done++;
    }
}