• C++ concepts

  Group classes and functions by concept.
• Containers

  Classes with container interface.
• Exceptions

  Exception classes.
• File system

  File and directory manipulation.
• Guards

  Sentry objects that enforce invariants with RAII.
• IO

  Input/output handling.
• Iterators

  Classes with iterator interface.
• Macros

  Macros for system error handling.
• Mutexes

  Classes with std::mutex interface.
• Network

  Network abstractions.
• Processes

  Resource management and parallel execution.
• Semaphores

  Classes with std::condition_variable interface.
• Stream buffers

  Classes with std::streambuf interface.
• Streams

  Classes with member input/output operators.
• System abstractions

  System calls and system structures wrappers.
• Traits

  Traits classes.
• Wrappers

  Wrappers for system structures.
• Namespaces

  C++ namespaces.
• Files

  C++ files.