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Constituent: test_ofs     Tag: sun-gcc
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Defines | |
#define | COUNT_OF(_array) (sizeof (_array) / sizeof (*(_array))) |
Returns a count of the number of elements in _array. | |
#define | OFFSET_OF(_structure, _member) ((unsigned int) &(((_structure *) 0) -> _member)) |
Returns the byte offset of _member within the named structure or typedef _structure. |
CVS $Id: Ofs.h,v 1.2 2004/02/17 01:30:08 russell Exp $
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Returns a count of the number of elements in _array.
Bottom line is that COUNT_OF ALWAYS returns the correct number of the elements in an array whose size is known at compile time. |
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Returns the byte offset of _member within the named structure or typedef _structure.
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