Standard library header <stdbool.h> (C99)(deprecated in C23)

<complex.h> (C99)

<ctype.h>

<errno.h>

<fenv.h> (C99)

<float.h>

<inttypes.h> (C99)

<iso646.h> (C95)

<limits.h>

<locale.h>

<math.h>

<setjmp.h>

<signal.h>

<stdalign.h> (C11*)

<stdarg.h>

<stdatomic.h> (C11)

<stdbit.h> (C23)

<stdbool.h> (C99*)

<stdckdint.h> (C23)

<stddef.h>

<stdint.h> (C99)

<stdio.h>

<stdlib.h>

<stdmchar.h> (C29)

<stdnoreturn.h> (C11*)

<string.h>

<tgmath.h> (C99)

<threads.h> (C11)

<time.h>

<uchar.h> (C11)

<wchar.h> (C95)

<wctype.h> (C95)

[edit]

This header provides macros for boolean type.

Macros

bool

(C99)(removed in C23)

convenience macro, expands to _Bool
(keyword macro)

Macro constants

true

(C99)(removed in C23)

expands to integer constant 1
(macro constant)

false

(C99)(removed in C23)

expands to integer constant 0
(macro constant)

__bool_true_false_are_defined

(C99)(deprecated in C23)

expands to integer constant 1
(macro constant)

[edit] Synopsis

#if __STDC_VERSION__ < 202311l
#define bool _Bool
#define true 1
#define false 0
#endif
 
#define __bool_true_false_are_defined 1

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Standard library header <stdbool.h> (C99)(deprecated in C23)

Macros

Macro constants

[edit] Synopsis

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