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Pointers - General Questions :: Discussion
| 3. | In which header file is the NULL macro defined? | |
| A. | stdio.h | |
| B. | stddef.h | |
| C. | stdio.h and stddef.h | |
| D. | math.h | |
| Answer: Option C | |
| Explanation: | |
|
The macro "NULL" is defined in locale.h, stddef.h, stdio.h, stdlib.h, string.h, time.h, and wchar.h. |
|
| Tutorial Link: |
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