You're missing #define bool _Bool Since bool wasn't reserved prior to C99, they use the _Bool keyword (which was reserved). [http://stackoverflow.com/quest

You're missing #define bool _Bool Since bool wasn't reserved prior to C99, they use the _Bool keyword (which was reserved). [http://stackoverflow.com/questions/8724349/difference-between-bool-and-bool-types-in-c http://stackoverflow.com/questions/8724349/difference-betwee...]