#include <stdio.h>
#include <stdbool.h>

struct test{

       bool opaque                 : 1;
       unsigned int fill_color     : 3;
       unsigned int                : 4;
       bool show_border            : 1;
       unsigned int border_color   : 3;
       unsigned int border_style   : 2;
       unsigned int                : 2;
};


int main(void)
{
  struct test Test = {0};
  int i;
  printf("%zu\n", sizeof(Test));

  unsigned char* p;
  p = (unsigned char*)&Test;
  for(i=0; i<sizeof(Test); ++i)
  {
    printf("%02x", *p);
    ++p;
  }
  printf("\n");

  Test.opaque = true;

  p = (unsigned char*)&Test;
  for(i=0; i<sizeof(Test); ++i)
  {
    printf("%02x", *p);
    ++p;
  }
  printf("\n");

  Test.fill_color = 3;

  p = (unsigned char*)&Test;
  for(i=0; i<sizeof(Test); ++i)
  {
    printf("%02x", *p);
    ++p;
  }
  printf("\n");

  return 0;
}