unsigned long int getNumber(TParams *pParams)
{
    unsigned long int cislo = 0;/** inicializacia návratového čisla z funkcie */

    while (true)
    {
        char c = getchar();

        if (c == ' ')
            continue;
        if (c == '\n' || c == EOF)
            break;

        if (c < '0' || c > '9')
        {
            pParams->ecode = EVALUE;
            return 0;
        }

        if (cislo > ULONG_MAX / 10 || ((cislo == ULONG_MAX / 10) &&
        ((unsigned long int)(c - '0') > (ULONG_MAX - (ULONG_MAX / 10) * 10))))
        {
            pParams->ecode = EOVERFLOW;
            return 0;
        }

        cislo = cislo * 10 + c - '0';
    }

    return cislo;
}