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GeekInterview.com > Interview Questions > Programming > C
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Question: What is a null macro?
What is the differtents between a null pointer and a null macro?
What is near, far and huge pointer?
How many bytes are occupied by them?
How would you obtain segment and offset addresses from a far address of a memory location?
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| July 07, 2006 07:28:54 |
#1 |
| auromita |
Member Since: Visitor Total Comments: N/A |
RE: What is a null macro? What is the differte...
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Null macro is defined in stdio.h and stddef.h.It is used to represent a null pointer in your code. its value is zero. Null pointer is same as an uninitialized pointer..It does not point anywhere. |
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