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CNULL
It could be a bit confusing if you want to point to address 0x0, because in fact NULL's value is zero. However, under 32bit operating systems you don't need (and usually you are not able) to point to 0x0.
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CNULL
(C) NULL
NULL is a special pointer constant in C. If a pointer has a value of NULL, then it "doesn't point anywhere", it is not valid.It could be a bit confusing if you want to point to address 0x0, because in fact NULL's value is zero. However, under 32bit operating systems you don't need (and usually you are not able) to point to 0x0.
'null' links
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