// Bank account objects in C
#include <stdio.h>
#include <stdlib.h>

typedef struct accstruct * account;
struct accstruct
{  
  int balance; 
};

// constructor
account newaccount(int bal) 
{
  account A = (account)malloc(sizeof(struct accstruct));
  A->balance = bal;  // set init balance
  return A;
}

int inquiry(account A) { return A->balance; }
void deposit(account A, int amt) { A->balance += amt; }
void withdraw(account A, int amt)
  { if (amt<=A->balance) A->balance -= amt; }
int moremoney(account A, account B) { return (A->balance > B->balance); }

/////////
int main(int argc, char** argv)
{
  account myaccount = newaccount(100);
  account youraccount = newaccount(200);
  withdraw(myaccount,50);   // not myaccount->withdraw(50);
  deposit(youraccount,100);
  if (moremoney(youraccount,myaccount)) 
    printf("you have more money than I do\n");
  return 0;
}

/* How is this "inferior" to Java?

   Only real difference so far: everything is public (is your balance really secure?)

   Garbage collection,type safety are other comparisons to Java, but
   these issues are arguably orthogonal to oop.  We're interested in OOP HERE!
*/