Accent Characters Replace

static inline String Search_Accent_In(signed char Nev){
  char ReturnChar;
  String ReturnCharString;
  switch (Nev)
  {
  case 'á':
    ReturnChar = 'a';
    break;
  case 'í':
    ReturnChar = 'i';
    break;
  case 'ő':
    ReturnChar = 'o';
    break;
  case 'ú':
    ReturnChar = 'u';
    break;
  case 'ű':
    ReturnChar = 'u';
    break;
  case 'ó':
    ReturnChar = 'o';
    break;
  case 'ö':
    ReturnChar = 'o';
    break;
  case 'ü':
    ReturnChar = 'u';
    break;
  case 'é':
    ReturnChar = 'e';
    break;
  default:
    ReturnChar = Nev;
    break;
  }
  ReturnCharString = ReturnChar;
  return ReturnCharString;
}

static inline String Replace_Accent(String Nev){
  String Nevke = "";
  for(unsigned int i = 0; i<Nev.length(); i++) {
    Nevke += Search_Accent_In(Nev[i]);
  }
  return Nevke;
}