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Home C Programming Variable Number of Arguments Comments

  • Question
  • For a function receives variable number of arguments it is necessary that the function should receive at least one fixed argument.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Variable Number of Arguments problems


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    • 1. A function that receives variable number of arguments should use va_arg() to extract arguments from the variable argument list.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The macro va_arg is used to extract an argument from the variable argument list and advance the pointer to the next argument.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. va_list is an array that holds information needed by va_arg and va_end

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A function that receives variable number of arguments should use va_arg() to extract the last argument from the variable argument list.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The macro va_start is used to initialise a pointer to the beginning of the list of fixed arguments.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. In a function that receives variable number of arguments the fixed arguments passed to the function can be at the end of argument list.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. It is necessary to call the macro va_end if va_start is called in the function.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 8. Can we pass a variable argument list to a function at run-time?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 9. While defining a variable argument list function we drop the ellipsis(...)?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 10. Can we write a function that takes a variable argument list and passes the list to another function?

    • Options
    • A. Yes
    • B. No
    • Discuss


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