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Pointers - General Questions Multiple Questions and Answers.
| 1. | What is (void*)0? | ||
| A. | Representation of NULL pointer | ||
| B. | Representation of void pointer | ||
| C. | Error | ||
| D. | None of above | ||
| 2. | Can you combine the following two statements into one? | ||
| A. | char p = *malloc(100); | ||
| B. | char *p = (char) malloc(100); | ||
| C. | char *p = (char*)malloc(100); | ||
| D. | char *p = (char *)(malloc*)(100); | ||
| 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 | ||
| 4. | How many bytes are occupied by near, far and huge pointers (DOS)? | ||
| A. | near=2 far=4 huge=4 | ||
| B. | near=4 far=8 huge=8 | ||
| C. | near=2 far=4 huge=8 | ||
| D. | near=4 far=4 huge=8 | ||
| 5. | If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable? | ||
| A. | . | ||
| B. | & | ||
| C. | * | ||
| D. | -> | ||
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