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<ciso646>

Includes the C standard library header <iso646.h>, and adds the associated names to the std namespace.

Note

Because this compatibility header defines names that are keywords in C++, including it has no effect. The <iso646.h> header is deprecated in C++. The <ciso646> header is removed in the draft C++20 standard.

Requirements

Header: <ciso646>

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