char* GetNumFromStr(char* tempBuff, int strSize, int i)
{
  static char numFromStr[1024];

  for (int i1 = i; ; i1++)
  {
    if (!isdigit(tempBuff[i1]))
    {
      return 0;
    }

    static char singleNum[1024];
    sprintf(singleNum, "%c", tempBuff[i1]);
    strcat(numFromStr, singleNum);

    if (!isdigit(tempBuff[i1 + 1]))
    {
      return numFromStr;
    }
  }

  return 0;
}