#include <stdio.h>
#include <stddef.h>


/*  if you don't have stddef.h, use the following:

   typedef unsigned int size_t;

   #define offsetof(type,memb) (size_t)&(((type *)0L)->memb)

*/

void main ( int argc, char *(argv[]) )
{

  struct Employee {
     int EmpNo;
     char Name[31];
     float Salary;
     char SSNo [11]; /* incl. '-' */
  };


  printf ( "\n\n" );

  printf ( "Size of struct Employee: %d bytes.\n\n",
           sizeof (struct Employee ) );

  printf ( "The offset of EmpNo  in the Employee struct is %u.\n",
            offsetof( struct Employee, EmpNo ) );
  printf ( "The offset of Name   in the Employee struct is %u.\n",
            offsetof( struct Employee, Name ) );
  printf ( "The offset of Salary in the Employee struct is %u.\n",
            offsetof( struct Employee, Salary ) );
  printf ( "The offset of SSNo   in the Employee struct is %u.\n",
            offsetof( struct Employee, SSNo ) );

  printf ( "\n\n" );

  return;
}