C Language MCQ - English
In which header file is the NULL macro defined?
stdio.h
stddef.h
stdio.h and stddef.h
math.h
Answer : C
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1) Comment on the following pointer declaration. int *ptr, p;
ptr is a pointer to integer, p is not
ptr and p, both are pointers to integer
ptr is a pointer to integer, p may or may not be
ptr and p both are not pointers to integer
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2) Which is an indirection operator among the following?
3) How many bytes are occupied by near, far and huge pointers (DOS)?
4) What will be the output of the following C code? #include <stdio.h>
int main()
{
int *ptr, a = 10;
ptr = &a;
*ptr += 1;
printf("%d,%d/n", *ptr, a);
}
5) What will be the output of the following C code? #include <stdio.h>
void main()
{
int x = 0;
int *ptr = &x;
printf("%d\n", *ptr);
}
