# ifndef _TYPE_H_
# define _TYPE_H_
+#include <stdbool.h>
+
# include "tpop.h"
# include "firm_common.h"
# include "ident.h"
* size: 0
*/
/* A variable that contains the only none type. */
-extern type *none_type;
+extern type *firm_none_type;
/* Returns the none type */
type *get_none_type(void);
* size: 0
*/
/* A variable that contains the only unknown type. */
-extern type *unknown_type;
+extern type *firm_unknown_type;
/* Returns the unknown type */
type *get_unknown_type(void);
/**
* Gets the number of elements in a firm compound type.
*
- * This is just a comforability function, because structs and
+ * This is just a comfortability function, because structs and
* classes can often be treated be the same code, but they have
* different access functions to their members.
*