Standard library header <cuchar>

From cppreference.com

This header was originally in the C standard library as <uchar.h>.

This header is part of the null-terminated multibyte strings library.

Macros

__STDC_UTF_16__
indicates that UTF-16 encoding is used by mbrtoc16 and c16rtomb
(macro constant)
__STDC_UTF_32__
indicates that UTF-32 encoding is used by mbrtoc32 and c32rtomb
(macro constant)

Functions

(C++11)
generate the next 16-bit wide character from a narrow multibyte string
(function)
(C++11)
convert a 16-bit wide character to narrow multibyte string
(function)
(C++11)
generate the next 32-bit wide character from a narrow multibyte string
(function)
(C++11)
convert a 32-bit wide character to narrow multibyte string
(function)