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Pointers Questions And Answers.

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Exercise :: Pointers
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?
char *p;
p = (char*) malloc(100);
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. ->