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Discussion :: Testing New

  1. Determine Output:

    void main()
    {
          char *p;
          printf("%d %d", sizeof(*p), sizeof(p));
    }
    2. A.

     1 1
    B.

     1 2
    C.

     2 1
    D.

     2 2

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    Answer : Option B

    Explanation :

    The sizeof() operator gives the number of bytes taken by its operand. P is a character pointer, which needs one byte for storing its value (a character). Hence sizeof(*p) gives a value of 1. Since it needs two bytes to store the address of the character pointer sizeof(p) gives 2.

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