C and C++ reference

From cppreference.com

C++ reference
C++98, C++03, C++11, C++14

Language

Headers

Library concepts

Utilities library

Strings library

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

Input/output library

Localizations library

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical specifications

   Standard library extensions  (library fundamentals TS)

   Standard library extensions v2  (library fundamentals TS v2)

   Filesystem library  (filesystem TS)
   Parallelism library extensions  (parallelism TS)
   Concurrency library extensions  (concurrency TS)
   Concepts  (concepts TS)

External Links  −  Non-ANSI/ISO Libraries  −  Index

C reference
C89, C95, C99, C11

Language

Headers

Type support

Dynamic memory management

Error handling

Program utilities

Variadic functions

Date and time utilities

Strings library

Algorithms

Numerics

Input/output support

Localization support

Atomic operations library (C11)

Thread support library (C11)

Technical specifications

   Dynamic memory extensions  (dynamic memory TR)

External Links  −  Non-ANSI/ISO Libraries
News
  • 18 November 2014: New version of the offline archive. The QtCreator documentation now supports libc++ properly.
  • 9 November 2014: The offline archive will be included into Ubuntu Vivid. Packages for Trusty and Utopic releases have been made available via backports repositories.