[support.limits.general]

# 17 Language support library [[support]](./#support)

## 17.3 Implementation properties [[support.limits]](support.limits#general)

### 17.3.1 General [support.limits.general]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/support.tex#L527)

The headers[<limits>](limits.syn#header:%3climits%3e "17.3.3 Header <limits> synopsis [limits.syn]"),[<climits>](climits.syn#header:%3cclimits%3e "17.3.6 Header <climits> synopsis [climits.syn]"), and[<cfloat>](cfloat.syn#header:%3ccfloat%3e "17.3.7 Header <cfloat> synopsis [cfloat.syn]") supply characteristics ofimplementation-dependent
arithmetic types ([[basic.fundamental]](basic.fundamental "6.9.2 Fundamental types"))[.](#1.sentence-1)