Standard library header <cuchar> (C++11)
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Standard library headers 
 
 
 
 
 
 
 
 
 
 <compare> (C++20)
 <contracts> (C++26)
 <coroutine> (C++20)
 <cstdint> (C++11)
 <source_location> (C++20)
 <stdfloat> (C++23)
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 <concepts> (C++20)
 <debugging> (C++26)
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 <system_error> (C++11)
 <memory_resource> (C++17)
 <scoped_allocator> (C++11)
 <type_traits> (C++11)
 <ratio> (C++11)
 <any> (C++17)
 <bit> (C++20)
 <charconv> (C++17)
 <expected> (C++23)
 <format> (C++20)
 <optional> (C++17)
 <stdbit.h> (C++26)
 <tuple> (C++11)
 <typeindex> (C++11)
 <variant> (C++17)
 <array> (C++11)
 <flat_map> (C++23)
 <flat_set> (C++23)
 <forward_list> (C++11)
 <hive> (C++26)
 <mdspan> (C++23)
 <span> (C++20)
 <unordered_map> (C++11)
 <unordered_set> (C++11)
 <generator> (C++23)
 <ranges> (C++20)
 <cuchar> (C++11)
 <string_view> (C++17)
 <codecvt> (C++11/17/26*)
 <regex> (C++11)
 <cfenv> (C++11)
 <linalg> (C++26)
 <numbers> (C++20)
 <random> (C++11)
 <simd> (C++26)
 <stdckdint.h> (C++26)
 <chrono> (C++11)
 <ccomplex> (C++11/17/20*)
 <ciso646> (until C++20)
 <cstdalign> (C++11/17/20*)
 <cstdbool> (C++11/17/20*)
 <ctgmath> (C++11/17/20*)
 <cinttypes> (C++11)
 <filesystem> (C++17)
 <print> (C++23)
 <spanstream> (C++23)
 <strstream> (C++98/26*)
 <syncstream> (C++20)
 <atomic> (C++11)
 <barrier> (C++20)
 <condition_variable> (C++11)
 <future> (C++11)
 <hazard_pointer> (C++26)
 <latch> (C++20)
 <mutex> (C++11)
 <rcu> (C++26)
 <semaphore> (C++20)
 <shared_mutex> (C++14)
 <stdatomic.h> (C++23)
 <stop_token> (C++20)
 <thread> (C++11)
 <execution> (C++17)
This header was originally in the C standard library as <uchar.h>.
This header is part of the null-terminated multibyte strings library.
Contents
Macros
__STDC_UTF_16__
(C++11)
(macro constant)
__STDC_UTF_32__
(C++11)
(macro constant)
Types
Functions
[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); }