/* stdbool.h for GNU.  */#ifndef __STDBOOL_H__#define __STDBOOL_H__	1/* The type `bool' must promote to `int' or `unsigned int'.  The constants   `true' and `false' must have the value 0 and 1 respectively.  */typedef enum  {    false = 0,    true = 1  } bool;/* The names `true' and `false' must also be made available as macros.  */#define false	false#define true	true/* Signal that all the definitions are present.  */#define __bool_true_false_are_defined	1#endif	/* stdbool.h */