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<cstdbool>

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Includes the C standard library header <stdbool.h> and adds the associated names to the std namespace.

Note

Because the <stdbool.h> header defines macros that are keywords in C++, including it has no effect. The <stdbool.h> header is deprecated in C++. The <cstdbool> header is deprecated in C++17 and removed in the draft C++20 standard.

Requirements

Header: <cstdbool>

Namespace: std

Remarks

Including this header ensures that the names declared using external linkage in the C standard library header are declared in the std namespace.

See also

Header files reference
C++ standard library overview
Thread safety in the C++ standard library