C - <stddef.h>
The C <stddef.h> 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 <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. |
Library Macros
Macro constants
| Macros | Description |
|---|---|
| NULL | Null pointer. |
