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

#define log_int(n) printf("%s == %d\n", #n, n)
#define log_bool(n) printf("%s == %s\n", #n, (n) ? "true" : "false")

// this enum is used to keep track of multiple booleans
// use bitwise operators to set and check the flags
enum StudentFlags {
    IS_REGISTERED_SPRING = 1,  // 0001
    IS_REGISTERED_FALL = 2,    // 0010
    IS_REGISTERED_SUMMER = 4,  // 0100
    IS_GRADUATED = 8,          // 1000
};

int main(int argc, char* argv[]) {
    enum StudentFlags flags = IS_REGISTERED_SUMMER | IS_REGISTERED_FALL;
    log_int(flags);

    log_bool((flags & IS_REGISTERED_FALL) > 0);
    log_bool((flags & IS_REGISTERED_SPRING) > 0);
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */