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

typedef unsigned char byte;



typedef struct color_s{
  byte red;
  byte green;
  byte blue;
  float alpha;
}  color;

typedef struct color2_s{
  byte red;
  byte green;
  byte blue;
  byte alpha;
}  color2;  


typedef union{
  color2 c;
  int i;
} color3;




color * createColor(byte r, byte g, byte b, float a){
  color * c = (color *)malloc(sizeof(color));

  c->red = r;
  c->green = g;
  c->blue = b;
  c->alpha = a;

  return c;
}






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

  color c;
  color * c2 = createColor(100,200,50,1.0);

  c.red = 255;
  c.green = 127;
  c.blue = 0;
  c.alpha = 0.5;

  printf("red: %p, green: %p, blue: %p, alpha: %p\n", &c.red, &c.green, &c.blue, &c.alpha);
  printf("[%d, %d, %d, %f]\n", c.red, c.green, c.blue, c.alpha);

  color3 c3;

  c3.c.red = 255;
  c3.c.green = 127;
  c3.c.blue = 64;
  c3.c.alpha = 32;

  printf("[%d, %d, %d, %d], %x\n", c3.c.red, c3.c.green, c3.c.blue, c3.c.alpha, c3.i);

  c3.i = 0x0000ffff;

  printf("[%d, %d, %d, %d], %x\n", c3.c.red, c3.c.green, c3.c.blue, c3.c.alpha, c3.i);
     

  

  return 0;
}