Variable Argument Lists Quiz Online Practice Test

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1. What is the total number of macros defined in the stdarg.h header file?

one

two

three

four

2. Which variable type is defined in the stdarg.h header file?

va_list

v_list

size_t

var_list

3. What are the three macros defined in the stdarg.h header file?

start(), arg(), and end()

var_start(), var_arg(), and var_end()

va_start(), va_arg(), and va_end()

v_start(), v_arg(), and v_end()

4. If access to the varying arguments is required, the called function must declare a ________ of type va_list.

class

object

function

variable

5. Which macro is used to retrieve the next argument of type `type` from the function's parameter list?

type va_arg(va_list ap, type)

type var_arg(va_list ap, type)

type v_arg(va_list ap, type)

type val_arg(va_list ap, type)

6. The _______ macro should be used prior to accessing any unnamed arguments.

va_arg

va_end

va_list

va_start

7. The ______ macro should be called prior to using ______ and ______.

va_arg, va_end, and va_start

va_start, va_end, and va_arg

va_end, va_arg, and va_start

v_arg, v_end, and v_start

8. The macro in the C library that obtains the subsequent argument from a function's parameter list of a specified type is _________.

va_end

va_arg

va_start

no macros

9. What is the purpose of the following C function?
void va_end(va_list ap)

enables a function with variable arguments that utilized the va_start macro to complete

fetches the next argument in the parameter list

initializes the ap variable for use with the va_arg and va_start macros

returns the subsequent additional argument as an expression

10. Which header file is necessary to include when defining a function that accepts a variable number of arguments?

stdlib.h

stdarg.h

assert.h

setjmp.h

Test Name:	Variable Argument Lists Quiz
Subject Category:	C Programming
Test Type:	Multiple Choice Questions
Total Score / Questions:	10 / 10
Time Allowed:	10 Min
Who Should Practice this Test:	Students, job seekers, or professionals preparing for competitive exams and interviews.

Variable Argument Lists MCQ Quiz Online Practice Test

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