size.h File Reference

Macros
#define	ARRAY_LENGTH(array)   (sizeof((array)) / sizeof((array)[0]))
	Calculate the length of an array, based on the size of the element type.
#define	STATIC_ARRAY_LENGTH(type, array)   (sizeof((type[])array) / sizeof(type))
	Get the number of elements of an array literal, as a compile-time constant.
#define	MEMBER_SIZE(type, member)   sizeof(((type *)0)->member)
	Get the size of a structure member without an instance.