compare-pointer.h File Reference

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Functions
int	pointer_equal (void *location1, void *location2)
	Compare two pointers to determine if they are equal. More...
int	pointer_compare (void *location1, void *location2)
	Compare two pointers. More...

Detailed Description

Comparison functions for generic (void) pointers.

To find the difference between two pointers, use pointer_compare.

To find if two pointers are equal, use pointer_equal.

Definition in file compare-pointer.h.

Function Documentation

pointer_compare()

int pointer_compare	(	void *	location1,
		void *	location2
	)

Compare two pointers.

Parameters

location1	The first pointer.
location2	The second pointer.

Returns

A negative value if the first pointer is in a lower memory address than the second, a positive value if the first pointer is in a higher memory address than the second, zero if they point to the same location.

pointer_equal()

int pointer_equal	(	void *	location1,
		void *	location2
	)

Compare two pointers to determine if they are equal.

Parameters

location1	The first pointer.
location2	The second pointer.

Returns

Non-zero if the pointers are equal, zero if they are not equal.