#include <stdio.h>
#include <stdlib.h>

/* ------------------------
   Structure definition
   ------------------------ */
struct BankAccount
{
   int    accNum;
   double balance;
};


int main(int argc, char *argv[])
{
   struct BankAccount* p;

   p = malloc( sizeof(struct BankAccount) );            // (1)

   (*p).accNum = 123;		// Long form to access a member variable
   p->balance= 400;		// Short form to access a member variable

   printf("p->accNum = %d  p->balance = %f\n", p->accNum, p->balance);

   /* ==================================================
      Unreserve memory that was allocated at step (1)
      ================================================== */
   free(p);
}