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Is NULL always defined as 0(zero)?

NULL is defined as either 0 or (void*)0. These values are almost identical; either a literal zero or a void pointer is converted automatically to any kind of pointer, as necessary, whenever a pointer is needed (although the
compiler can't always tell when a pointer is needed).

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Elance receives half a million visitors a week. That's more than the Great Wall of China and Notre Dame de Paris combined Next

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