C and C++ reference

C++ reference C++98, C++03, C++11, C++14, C++17, C++20
Compiler support Language Basic concepts C++ Keywords Preprocessor Expressions Declaration Initialization Functions Statements Classes Templates Exceptions Headers Named requirements Feature test macros (C++20) Language support library Type support traits (C++11) Program utilities Relational comparators (C++20) numeric_limitstype_info initializer_list (C++11) Concepts library (C++20)	Diagnostics library General utilities library Smart pointers and allocators Date and time Function objectshash (C++11) String conversions (C++17) Utility functions pair tuple (C++11) optional (C++17)any (C++17) variant (C++17) Strings library basic_string basic_string_view (C++17) Null-terminated strings: byte multibyte wide Containers library array (C++11)vector mapunordered_map (C++11) priority_queuespan (C++20) Other containers: sequence associative unordered associative adaptors	Iterators library Algorithms library Numerics library Common math functions Special math functions (C++17) Numeric algorithms Pseudo-random number generation Floating-point environment (C++11) complexvalarray Input/output library Stream-based I/O Synchronized output (C++20) I/O manipulators Localizations library Regular expressions library (C++11) basic_regexalgorithms Atomic operations library (C++11) atomicatomic_flag Thread support library (C++11) Filesystem library (C++17)
Technical specifications Standard library extensions(library fundamentals TS) Standard library extensions v2(library fundamentals TS v2) propagate_const observer_ptr source_location ostream_joiner detection idiom uniform container erasure Concurrency library extensions(concurrency TS) Concepts(concepts TS) Ranges(ranges TS) Transactional Memory(TM TS)
External LinksNon-ANSI/ISO LibrariesIndexstd Symbol Index
C reference C89, C95, C99, C11, C17
Language Basic concepts C 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 LinksNon-ANSI/ISO LibrariesIndexSymbol Index

News

11 March 2018: New version of the offline archive 1 December 2017: ISO C++17 published. 9 April 2017: New version of the offline archive. The Debian and Ubuntu packages will be updated to this version.