#include <stdio.h>
#include <stdint.h>

enum
DNA_PROTEINS
{
  DNA_PROTIEN_A = 0x01,
  DNA_PROTIEN_T = 0x02,
  DNA_PROTIEN_G = 0x04,
  DNA_PROTIEN_C = 0x08,
};

int
main()
{
  signed char c;
  short int i;

  printf("sizeof(c) %d\n", sizeof(c));
  printf("sizeof(i) %d\n", sizeof(i));


  printf("c: %b || %d\n", c, c);
  printf("A: %b\n", DNA_PROTIEN_A);
  printf("T: %b\n", DNA_PROTIEN_T);
  printf("G: %b\n", DNA_PROTIEN_G);
  printf("C: %b\n", DNA_PROTIEN_C);

  c |= DNA_PROTIEN_A;
  printf("c: %b || %d\n", c, c);
  c |= DNA_PROTIEN_G;
  printf("c: %b || %d\n", c, c);
}