#include <iostream.h>  // import Math

using namespace std; 	//introduces namespace std

///  int f(int x); // prototype

int f(int x) { return x*x; }


class account
{ private:
    int balance;
  public:
    account(int initial) {balance = initial;}
    void withdraw(int amt) 
      {balance = balance - amt; }
    void deposit(int amt)
      { balance = balance + amt;}
    int inquiry() { return balance; }
};  // extra ;


class cell
{ public:
    int head;
    cell *tail;
    cell(int h, cell *t) { head = h; tail = t; }
};  // end class cell


int length(cell *l)
{ if (l == 0) // l == null
    return 0;
  else return 1 + length(l->tail);
}

class bigobject
{public:
   int A[1000];  // array of 1000 integers
   bigobject()
     { for (int i=0;i<1000;i++) A[i] = i; }
   ~bigobject() { }
};  // end bigobject

int slength(char *s) // same as char s[]
  { int ax; // accumulator 
    int i;  // array index
    ax = 0;
    i = 0;
    while ( s[i] != (char) 0 )
      { ax++; i++; }
    return ax;
  } // end slength

int main( void )
{  // account myaccount = new account(500);
   // pointers
/*
   account *myaccount;  //  a pointer!
   account *youraccount;
   myaccount = new account(500);
   youraccount = new account(600);
   myaccount->withdraw(30);
   cout << (*myaccount).inquiry();
   
   cell *c;
   c = new cell(3,new cell(5, new cell(7,0)));
   cout << length(c);

    int i, j;
    bigobject *b;
    for(i=0;i<10000;i++)
      for(j=0;j<100000;j++)
         { b = new bigobject();
           delete(b);
         }
    cout << "done\n";     
*/

    char *a;
    a = "abcdefg";
    cout << slength(a);
	return 0;
}