#include <stdio.h>

typedef enum Flags
{
	FLAG_NONE   = 0,
	FLAG_HUNGRY = 1 << 1, 
	FLAG_THIRSTY = 1 << 2,
	FLAG_SLEEPY = 1 << 3,
	// TODO: add another flag
}Flags;
/*
 *  Instead of shifting you can also just write the value
 *  enum Flags
 *  {
 *     foo = 1,
 *     bar = 2,
 *     baz = 4,
 *  }
 */

void Set(Flags *flag, Flags value)
{
	// TODO: Implement this.
}

int isSet(Flags flag, Flags value)
{
	// TODO: Implement this
	return 0;
}

typedef enum
{
	GENDER_MALE,
	GENDER_FEMALE,
}gender;

typedef struct person
{
	char *Name;
	int Age;
	gender Gender;
	Flags Condition;
}person;

int main(int argc, const char *argv[])
{
	person Charly = {"Charly", 10, GENDER_MALE, FLAG_NONE};

	Set(&Charly.Condition, FLAG_HUNGRY|FLAG_SLEEPY);
	
	if(isSet(Charly.Condition, FLAG_SLEEPY))
	{
		printf("Charly is sleepy.");
	}
}