C and C++ reference

C++ reference C++98, C++03, C++11, C++14, C++17, C++20
ASCII chart Compiler support Language Preprocessor Keywords Operator precedence Escape sequences Fundamental types Headers Library concepts Utilities library Type support Dynamic memory management Error handling Program utilities Date and time Function objects  −  hash (C++11) Elementary string converters (C++17) Relational comparators (C++20) bitset initializer_list (C++11) pair  −   tuple (C++11) integer_sequence (C++14) optional (C++17)  −  any (C++17) variant (C++17)	Strings library basic_string basic_string_view (C++17) Null-terminated byte strings Null-terminated multibyte strings Null-terminated wide strings Containers library array (C++11) vector  −   deque list  −  forward_list (C++11) set  −  multiset map  −  multimap unordered_set (C++11) unordered_multiset (C++11) unordered_map (C++11) unordered_multimap (C++11) stack  −  queue  −  priority_queue Algorithms library Iterators library Numerics library Common mathematical functions Special mathematical functions (C++17) Complex numbers Pseudo-random number generation Compile-time rational arithmetic (C++11)	Input/output library basic_streambuf basic_filebuf basic_stringbuf basic_syncbuf (C++20) ios_base basic_ios basic_istream basic_ostream basic_osyncstream (C++20) basic_iostream basic_ifstream basic_ofstream basic_fstream basic_istringstream basic_ostringstream basic_stringstream I/O manipulators C-style I/O Localizations library Regular expressions library (C++11) Atomic operations library (C++11) 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 — not_fn — observer_ptr source_location — ostream_joiner detection idiom — uniform container erasure    Parallelism library extensions  (parallelism TS)    Concurrency library extensions  (concurrency TS)    Concepts  (concepts TS)    Ranges  (ranges TS)    Transactional Memory  (TM TS) Feature Test Recommendations
External Links  −  Non-ANSI/ISO Libraries  −  Index  −  std Symbol Index
C reference C89, C95, C99, C11, C17
ASCII chart Language Preprocessor Keywords Operator precedence Escape sequences Headers Type support	Dynamic memory management Error handling Program utilities Variadic functions Date and time utilities Strings library Null-terminated byte strings Null-terminated multibyte strings Null-terminated wide strings 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

News

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. 14 February 2017: New version of the offline archive