Learn and Master C Programming - Let's Implement a Variadic Function in C - Technique #1

Learn and Master C Programming - Let's Implement a Variadic Function in C - Technique #1

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial demonstrates how to set up a new project in Visual Studio and implement a variadic function in C. It explains the concept of variadic functions, which can take a variable number of arguments, and details the steps to implement such a function using macros like va_list, va_start, and va_arg. The tutorial also includes testing the function with different numbers of arguments to ensure it works as expected.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up a new project in Visual Studio for a variadic function?

Open an existing project

Select Visual C132 template

Create a new file

Select a Python template

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a variadic function in C?

A function that does not take any arguments

A function that takes a variable number of arguments

A function that takes a fixed number of arguments

A function that returns multiple values

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which macro is used to define a variable argument list in C?

va_end

va_start

va_arg

va_list

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the va_start macro?

To initialize a variable argument list

To define a variable argument list

To end the use of a variable argument list

To read an argument from the list

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which macro is used to clean up resources after using a variable argument list?

va_list

va_arg

va_start

va_end

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected output when summing the numbers 1, 2, 3, and 4 using the variadic function?

9

7

10

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the count is set to 2, what will the variadic function sum when given the numbers 1, 2, 3, and 4?

7

10

6

3

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?