21 Language support library [language.support]

21.1 General [support.general]

1
#
This Clause describes the function signatures that are called implicitly, and the types of objects generated implicitly, during the execution of some C++ programs.
It also describes the headers that declare these function signatures and define any related types.
2
#
The following subclauses describe common type definitions used throughout the library, characteristics of the predefined types, functions supporting start and termination of a C++ program, support for dynamic memory management, support for dynamic type identification, support for exception processing, support for initializer lists, and other runtime support, as summarized in Table 32.
Table 32 — Language support library summary
Subclause
Header(s)
Common definitions
<cstddef>
<cstdlib>
Implementation properties
<limits>
<climits>
<cfloat>
Integer types
<cstdint>
Start and termination
<cstdlib>
Dynamic memory management
<new>
Type identification
<typeinfo>
Exception handling
<exception>
Initializer lists
<initializer_­list>
Other runtime support
<csignal>
<csetjmp>
<cstdarg>
<cstdlib>