C++ - <cstddef> (stddef.h)

The C++ <cstddef> header defines several types and macros. Many of these definitions also appear in other header files. These types and macros are available to use in a current program after including the header file using - #include <cstddef> or #include <stddef.h>. All types and macros of this header file are listed below:

Library Types

Types	Description
ptrdiff_t	Signed integer type of the result of difference of two pointers.
size_t	Unsigned integer type.
nullptr_t	Null pointer type.

Library Macros

Macro constants

Macros	Description
NULL	Null pointer.

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