[diff.char16]

# Annex C (informative) Compatibility [[diff]](./#diff)

## C.8 C standard library [[diff.library]](diff.library#diff.char16)

### C.8.3 Modifications to definitions [[diff.mods.to.definitions]](diff.mods.to.definitions#diff.char16)

#### C.8.3.1 Types char8_t, char16_t, and char32_t [diff.char16]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/compatibility.tex#L3711)

The types char8_t, char16_t, and char32_t are distinct types rather than typedefs to existing integral types[.](#1.sentence-1)

The tokens char8_t, char16_t, and char32_t are keywords in C++ ([[lex.key]](lex.key "5.12 Keywords"))[.](#1.sentence-2)

They do not appear as macro or type names defined in[<cuchar>](cuchar.syn#header:%3ccuchar%3e "28.7.4 Header <cuchar> synopsis [cuchar.syn]")[.](#1.sentence-3)