16 Library introduction [library]

16.4 Library-wide requirements [requirements]

16.4.3 Using the library [using]

16.4.3.1 Overview [using.overview]

Subclause [using] describes how a C++ program gains access to the facilities of the C++ standard library.
[using.headers] describes effects during translation phase 4, while [using.linkage] describes effects during phase 8.