/* 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 /* The macro `bool', which may be undefined, expands to _Bool. */ #define bool _Bool /* Signal that all the definitions are present. */ #define __bool_true_false_are_defined 1 #endif /* stdbool.h */