void createArray()
{
    int* myArr = new int[10];
    useArray(myArr, 10);
}
 
void useArray(int arr[], int sz)
{
    for(int i = 0; i < sz; ++i)
        arr[i] = 0;
}

/* ISU program created by Matt 
   in grade 12 programming. */
#include <iostream>
#include <list>
#include <iterator>
#include <vector>
using namespace std;
class humanPlayer
     {
     public:                                                             
          humanPlayer(string thePlayersName, unsigned int thePlayersTurnNum); 
          ~humanPlayer(){};  
 
          void addToList(unsigned int countryToAdd) {countriesOwned.push_back(countryToAdd);} 
          void showList();
          void removeFromList(unsigned int countryToRemove) {countriesOwned.remove(countryToRemove);}
          void checkIfInList(unsigned int countryToCheck);
 
          string getPlayerName() {return playerName;}  
          int getPlayerTurnNum() {return playerTurnNum;}
          void setPlayerTurnNum(unsigned int newPlayerTurnNum);
 
     private:
          list<int> countriesOwned;
          string playerName;
          unsigned int playerTurnNum;
     };
     humanPlayer::humanPlayer(string thePlayersName, unsigned int thePlayersTurnNum)
          {
          playerName = thePlayersName;
          playerTurnNum = thePlayersTurnNum;
          }
 
     void humanPlayer::checkIfInList(unsigned int countryToCheck)
          {
          if(find(countriesOwned.begin(), countriesOwned.end(), countryToCheck) != countriesOwned.end())
               {
               cout << countryToCheck << " is in the list.\n";
               }
          else
               {
               cout << countryToCheck << " is NOT in the list.\n";
               }
          }
 
     void humanPlayer::showList()
          {
          copy(countriesOwned.begin(),countriesOwned.end(),ostream_iterator<int>(cout,", "));
          cout << endl;
          } 
 
     void humanPlayer::setPlayerTurnNum(unsigned int newPlayerTurnNum)
          {
          playerTurnNum = newPlayerTurnNum;
          }
 
void getName();
unsigned int numOfPlayers;
 
int main()
     {
     getName();
 
     system("PAUSE");
     }  
 
void getName()
     {
     cout << "How many players will there be? ";
     cin >> numOfPlayers;
     cout << endl;
 
     humanPlayer *jailHouse[numOfPlayers];
 
     for(unsigned int i=0 ; i<numOfPlayers ; i++)
          {
          char name[256];
          cin.ignore(255,'\n');
          cout << "What is player " << (i+1) << "'s name? ";
          cin.get(name,256);
 
          jailHouse[i] = new humanPlayer(name, (i+1));
          }     
 
     }

int main() {
    humanPlayer **jailHouse;
...

void getName(humanPlayer **&jailHouse) {
...
   // do all your allocation here
}