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Standard library header <cstdbool> (C++11)(until C++20), <stdbool.h> (C++11)

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Standard Library headers
Note: a slash '/' in a revision mark means that the header was deprecated and/or removed.
Language support
Concepts
<concepts> (C++20)
Diagnostics
<system_error> (C++11)

Memory management
<memory_resource> (C++17)  
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<type_traits> (C++11)
<ratio> (C++11)
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<utility>
<tuple> (C++11)
<optional> (C++17)
<variant> (C++17)
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<expected> (C++23)
<bitset>

<charconv> (C++17)
<format> (C++20)
<bit> (C++20)

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<cuchar> (C++11)

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<flat_set> (C++23)
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<ranges> (C++20)
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<cfenv> (C++11)
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<chrono> (C++11)
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<codecvt> (C++11/17)
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<filesystem> (C++17)
<cstdio>
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<strstream> (C++98/)
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<regex> (C++11)
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<stop_token> (C++20)
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<stdatomic.h> (C++23)
<mutex> (C++11)
<shared_mutex> (C++14)
<condition_variable> (C++11)  
<semaphore> (C++20)
<latch> (C++20)
<barrier> (C++20)
<future> (C++11)

C compatibility
<cstdbool> (C++11/17/20)  
<ccomplex> (C++11/17/20)
<ctgmath> (C++11/17/20)

<cstdalign> (C++11/17/20)

<ciso646> (until C++20)

 

This header was originally in the C standard library as <stdbool.h>.

Compatibility header, in C defines true, false and bool which are keywords in C++.

Macros

__bool_true_false_are_defined
(C++11)
C compatibility macro constant, expands to integer literal 1
(macro constant) [edit]

[edit] Notes

<cstdbool> is deprecated in C++17 and removed in C++20. Corresponding <stdbool.h> is still available in C++20.