[reentrancy]

# 16 Library introduction [[library]](./#library)

## 16.4 Library-wide requirements [[requirements]](requirements#reentrancy)

### 16.4.6 Conforming implementations [[conforming]](conforming#reentrancy)

#### 16.4.6.9 Reentrancy [reentrancy]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L3762)

Except where explicitly specified in this document, it is implementation-defined which functions in the C++ standard
library may be recursively reentered[.](#1.sentence-1)