[namespace.posix] (original) (raw)

16 Library introduction [library]

16.4 Library-wide requirements [requirements]

16.4.5 Constraints on programs [constraints]

16.4.5.2 Namespace use [namespace.constraints]

16.4.5.2.2 Namespace posix [namespace.posix]

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The behavior of a C++ program is undefined if it adds declarations or definitions to namespaceposixor to a namespace within namespaceposixunless otherwise specified.

The namespace posix is reserved for use by ISO/IEC/IEEE 9945 and other POSIX standards.