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1) Which of the following does not initialize ptr to null (assuming variable declaration of a as int a=0;)?
2) What will be the output of the program ?
int x=30, *y, *z;
y=&x; /* Assume address of x is 500 and integer is 4 byte size */
printf("x=%d, y=%d, z=%d\n", x, y, z);
3) In which header file is the NULL macro defined?
4) What is (void*)0?
5) What will be the output of the program ?
int i=3, *j, k;
j = &i;