What is "far" and "near" pointers in "c"...?
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Answer / narasimha
"near" and "far" pointers are actually non-standard
qualifiers that you'll find only on x86 systems. They
reflect the odd segmentation architecture of Intel
processors. In short, a near pointer is an offset only,
which refers to an address in a known segment. A far pointer
is a compound value, containing both a segment number and an
offset into that segment.
Segmentation still exists on Intel processors, but it is not
used in any of the mainstream 32-bit operating systems
developed for them, so you'll generally only find the "near"
and "far" keywords in source code developed for Windows 3.x,
MS-DOS, Xenix/80286, etc.
| Is This Answer Correct ? | 5 Yes | 1 No |
Answer / peter
I think it's kind of pointer for different computer
architecture such as X86, IBM power server and so on because
various model of memory model is different.
| Is This Answer Correct ? | 1 Yes | 7 No |
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