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<cstddef>

Macros

offsetof()

Types

size_t


Definition


typedef unsigned int size_t;


Description

This type is used to hold size definitions. Since sizes are always positives, this type is usually defined as an unsigned long, but may be defined as an unsigned 64-bit int on newer systems.


ptrdiff_t


Definition


typedef int ptrdiff_t;


Description

This type is used to define difference between two pointers. Depending on which of the pointers is larger, this value may be positive or negative.