C and C++ reference

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C++ reference C++98, C++03, C++11, C++14, C++17, C++20, C++23   │   Compiler support C++11, C++14, C++17, C++20, C++23 Note: This mirror is built upon an offline archive. Content may be outdated compared to cppreference.com.
Freestanding implementations Language Basic concepts Keywords Preprocessor Expressions Declaration Initialization Functions Statements Classes Overloading Templates Exceptions Headers Named requirements Feature test macros (C++20) Language support library Source code information (C++20) Type support  −  traits (C++11) Program utilities Coroutine support (C++20) Three-way comparison (C++20) numeric_limits  −  type_info initializer_list (C++11) Concepts library (C++20)	Diagnostics library basic_stacktrace (C++23) General utilities library Smart pointers and allocators   unique_ptr (C++11)   shared_ptr (C++11) Date and time Function objects  −  hash (C++11) String conversions (C++17) Utility functions pair  −   tuple (C++11) optional (C++17)  −  any (C++17) variant (C++17)  −  format (C++20) Strings library basic_string basic_string_view (C++17) Null-terminated strings:   byte  −  multibyte  −  wide Containers library array (C++11)  −  vector  −  deque map  −  unordered_map (C++11) set  −  unordered_set (C++11) priority_queue  −  span (C++20) Other containers:   sequence  −   associative   unordered associative  −  adaptors Iterators library	Ranges library (C++20) Algorithms library Numerics library Common math functions Mathematical special functions (C++17) Mathematical constants (C++20) Numeric algorithms Pseudo-random number generation Floating-point environment (C++11) Bit manipulation (C++20) complex  −  valarray ratio (C++11) Localizations library Input/output library Stream-based I/O Synchronized output (C++20) I/O manipulators Filesystem library (C++17) Regular expressions library (C++11) basic_regex  −  algorithms Atomic operations library (C++11) atomic  −  atomic_flag atomic_ref (C++20) Thread support library (C++11) thread‏‎ − mutex‏‎ condition_variable‏‎
Technical specifications   Standard library extensions  (library fundamentals TS) resource_adaptor — invocation_type   Standard library extensions v2  (library fundamentals TS v2) propagate_const — ostream_joiner — randint observer_ptr — detection idiom   Standard library extensions v3  (library fundamentals TS v3) scope_exit — scope_fail — scope_success — unique_resource   Concurrency library extensions  (concurrency TS)   —   Transactional Memory  (TM TS)   Reflection  (reflection TS)
External Links  −  Non-ANSI/ISO Libraries  −  Index  −  std Symbol Index
C reference C89, C95, C99, C11, C17, C23
Language Basic concepts Keywords Preprocessor Expressions Declaration Initialization Functions Statements Headers	Type support Program utilities Variadic functions Error handling Dynamic memory management Date and time utilities Strings library Null-terminated strings:    byte  −   multibyte  −   wide Algorithms	Numerics Common mathematical functions Floating-point environment (C99) Pseudo-random number generation Complex number arithmetic (C99) Type-generic math (C99) Input/output support Localization support Atomic operations library (C11) Thread support library (C11)
Technical specifications    Dynamic memory extensions  (dynamic memory TR)    Floating-point extensions, Part 1  (FP Ext 1 TS)    Floating-point extensions, Part 4  (FP Ext 4 TS)
External Links  −  Non-ANSI/ISO Libraries  −  Index  −  Symbol Index

News

7 June 2019: New version of the offline archive 28 October 2018: New version of the offline archive 11 March 2018: New version of the offline archive