C++ Standard Library

C++ Standard Library
Input/output Strings `algorithm` `functional`
Containers
Sequence containers Associative containers Unordered associative containers
C standard library
Data types Character classification Strings Mathematics File input/output Date/time Localization Memory allocation Process control Signals Alternative tokens Miscellaneous headers: `<assert.h>` `<errno.h>` `<setjmp.h>` `<stdarg.h>`

In the C++ programming language, the C++ Standard Library is a collection of classes and functions, which are written in the core language and part of the C++ ISO Standard itself.