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  1. Which of the following function is used to find the first occurrence of a given string in another string?

  2. A.

     strchr()

    B.

     strrchr()

    C.

     strstr()

    D.

     strnset()

    E.

     None of these

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    Answer : Option C

    Explanation :

    The function strstr() Finds the first occurrence of a substring in another string
    Declaration: char *strstr(const char *s1, const char *s2);

    Return Value:
    On success, strstr returns a pointer to the element in s1 where s2 begins (points to s2 in s1).
    On error (if s2 does not occur in s1), strstr returns null.


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