#include <iostream>

using namespace std;

int cstrlen(const char *text){
  int laenge = 0;
  while(*text++){
    laenge++;
  }
  return laenge;
}

const char* cReverse(const char *text){
  const char *tmpString;
  int stringLaenge = cstrlen(text);
  stringLaenge--;
  int j = 0;
  for(int i = stringLaenge; i >= 0; i--){
    tmpString[j] = text[i];
    j++;
  }
  return tmpString;
}

int main(){
  const char *string = "Hugo ist blau";
  int lang = cstrlen(string);
  const char *test = cReverse(string);
  cout<<"Der String ist "<<lang<<" Zeichen lang.\n";
  cout<<test[0];
  return 1;
}