// file: lecture_21/myprog.cc
//
// local include files
//
#include <stdio.h>
#include <string.h>

#include "myprog.h"

// main: myprog
//
// This is a driver program that does some very simple things.
//
int main(int argc, const char** argv) {

  // declare an instance of a the structure "joe"
  //
  //struct joe my_joe;
  //JOE my_joe;

  // assigning data
  //
  //my_joe.x = 27.0;
  //my_joe.y = 99.0;
  //fprintf(stdout, "the value of my_joe.x is %f (%f)\n", my_joe.x, my_joe.y);

  /*
  fprintf(stdout, "memory analysis:");
  fprintf(stdout, "the struct is at %u\n", &my_joe);
  fprintf(stdout, "x is at %u\n", &my_joe.x);
  fprintf(stdout, "c is at %u\n", &my_joe.c);
  fprintf(stdout, "y is at %u\n", &my_joe.y);
  fprintf(stdout, "the sizeof the struct is at %u\n", sizeof(my_joe));
  */

  // assign data as a pointer
  //
  //JOE* foo = new JOE;
  //foo->x = 99.0;
  //foo->y = 27.0;
  //fprintf(stdout, "the values are (my_joe: %f) (foo: %f)\n", my_joe.x, foo->x);

  // let's shoe shop
  //
  MYSH myshoe;
  myshoe.brand = (char*)"Nike";
  myshoe.size = (float)9.5;
  //setsize(&myshoe);

  fprintf(stdout, "brand: %s\n", myshoe.brand);
  fprintf(stdout, "size: %f\n", myshoe.size);

  // memory packing
  //
  //fprintf(stdout, "my shoe is located at %u\n", &myshoe);
  //fprintf(stdout, "my shoe.size is located at %u\n", &myshoe.size);
  //fprintf(stdout, "my shoe.width is located at %u\n", &myshoe.width);




  // create an array of shoes
  //
  MYSH lots_of_shoes[99];
  fprintf(stdout, "shoe no. 3: size = %f\n", lots_of_shoes[3].size);
  
  // exit gracefully
  //
  return(0);
}

// implement the print function
//
void setsize(shoes* shoe_a) {
  shoe_a->size = 27.0;
  return;
}