17 Language support library [support]

17.1 General [support.general]

1
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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
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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 42.
Table 42 — Language support library summary [tab:support.summary]
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Subclause
Header
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Common definitions
<cstddef>, <cstdlib>
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Implementation properties
<cfloat>, <climits>, <limits>, <version>
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Arithmetic types
<cstdint>, <stdfloat>
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Start and termination
<cstdlib>
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Dynamic memory management
<new>
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Type identification
<typeinfo>, <typeindex>
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Source location
<source_location>
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Exception handling
<exception>
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Initializer lists
<initializer_list>
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Comparisons
<compare>
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Coroutines
<coroutine>
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Other runtime support
<csetjmp>, <csignal>, <cstdarg>, <cstdlib>