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Standard library header <cuchar> (C++11)

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__

(C++11)

 indicates that UTF-16 encoding is used by mbrtoc16 and c16rtomb
(macro constant)

__STDC_UTF_32__

(C++11)

 indicates that UTF-32 encoding is used by mbrtoc32 and c32rtomb
(macro constant)

Types

conversion state information necessary to iterate multibyte character strings
(class) [edit]
unsigned integer type returned by the sizeof operator
(typedef) [edit]

Functions

(C++11)

 converts a narrow multibyte character to UTF-16 encoding
(function) [edit]

(C++11)

 converts a UTF-16 character to narrow multibyte encoding
(function) [edit]

(C++11)

 converts a narrow multibyte character to UTF-32 encoding
(function) [edit]

(C++11)

 converts a UTF-32 character to narrow multibyte encoding
(function) [edit]

(C++20)

 converts a narrow multibyte character to UTF-8 encoding
(function) [edit]

(C++20)

 converts UTF-8 string to narrow multibyte encoding
(function) [edit]

Synopsis

namespace std {
  using mbstate_t = /* see description */;
  using size_t = /* see description */;

  size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps);
  size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps);
  size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
  size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
  size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
  size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
}