C Quiz – 109 | Question 4

Find out the correct statement for the following program.





#include "stdio.h"
int * gPtr;
int main()
 int * lPtr = NULL;
 if(gPtr == lPtr)
  printf("Not Equal");
 return 0;


(A) It’ll always print Equal.
(B) It’ll always print Not Equal.
(C) Since gPtr isn’t initialized in the program, it’ll print sometimes Equal and at other times Not Equal.

Answer: (A)

Explanation: It should be noted that global variables such gPtr (which is a global pointer to int) are initialized to ZERO. That’s why gPtr (which is a global pointer and initialized implicitly) and lPtr (which a is local pointer and initialized explicitly) would have same value i.e. correct answer is a.

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