Certification course

Learn C.

Learn C and build a foundation that makes every language easier.

$95Exam and certificate included

All 33 courses · $499

Already know C? Take the exam · $95

14-day money-back guarantee · Instant access · Lifetime access

BeginnerNo experience needed
40 hoursAt your own pace
33 modulesLessons, quizzes, exercises
Exam includedNo need to buy separately
W3Schools Hero1 year included

Our learners work at

What you'll learn

Real C skills, step by step.

Everything you need to use C with confidence, from the first line to real projects.

Understand what the C programming language is and how to write code.
Learn C syntax and structure.
Use variables and data types to store and manage data.
Understand and use printf() and scanf() for input and output.
Write simple decision-making code with if, else, and switch.
Create loops using for, while, and do...while.
Learn about functions to create reusable code.
Work with arrays to store multiple values.
Understand pointers and how they are used in C.
Learn file handling for reading and writing files.
Write and run C programs.

Roles you'll be ready for

C Developer
Embedded Systems Engineer
Firmware Engineer
Systems Programmer
Software Engineer
IoT Developer
Operating Systems Developer
Hardware Engineer
Robotics Engineer
Game Engine Developer
Network Programmer
Automotive Software Engineer

Syllabus

Everything the course covers.

8 chapters · 33 modules · 40 hours

01Getting started6 modules

C Introduction
C Get Started
C Syntax
C Statements
C Output
C Comments

02Variables and data types5 modules

C Variables
C Data Types
C Constants
C Operators
C Booleans

03Control flow5 modules

C If...Else
C Switch
C While Loop
C For Loop
C Break and Continue

04Arrays, strings and input3 modules

C Arrays
C Strings
C User Input

05Pointers2 modules

C Memory Address
C Pointers

06Functions6 modules

C Functions
C Function Parameters
C Scope
C Function Declaration
C Recursion
C Math Functions

07Files3 modules

C Create Files
C Write To Files
C Read Files

08Structures, enums and memory3 modules

C Structures
C Enums
C Memory Management

Your certificate

Become a Certified C Developer.

A credential from the site that has taught the web since 1999.

Learn
Lessons, quizzes and exercises. No deadlines.
Pass the exam
Online, multiple choice. 3 attempts, results instantly.
Share it
On LinkedIn and your CV. Employers verify it by link or QR code.

Your score sets your level: Intermediate 40% · Advanced 75% · Professional 90%

Also included

A year of W3Schools Hero.

Keep learning and building long after the exam. Worth $120, included.

Unlimited learning in the app
Full access on iOS and Android. Learn anywhere.
Build with Spaces
Your own space to build, test and deploy real projects.
Ad-free W3Schools
Learn on w3schools.com without ads.
Leaderboard and challenges
Earn XP, keep your streak, compete with other learners.

Pricing

One course, or all of them.

This course

Learn C

$95one-time

The full C course
C exam and certificate
1 year of W3Schools Hero
Lifetime access

14-day money-back guarantee, as long as no exam attempt is used.

Best value

Full Access

$499one-time

All 33 courses, including C
45+ certification exams and certificates
W3Schools Hero for life
Lifetime access

Get Full Access 14-day money-back guarantee, as long as no exam attempt is used.

Questions? Answers.

Do you have a money-back guarantee?

Yes. If you are not satisfied, you get your money back within 14 days of purchase, as long as no exam attempts are used. Our refund policy.

How fast do I get access?

Instantly. Right after purchase you get an email with access to the course and the exam.

How does the exam work?

The exam is online and multiple choice. You get 3 attempts and choose when to take each one. Your score sets your level: Intermediate (40%), Advanced (75%) or Professional (90%).

Does the certificate expire?

No. The certificate never expires. It is issued in your name and employers can verify it with a unique link or QR code.

What is the difference between the course and the exam?

The course includes lessons, exercises, progress tracking and the exam. If you already know the subject, you can buy the exam only and go straight to certification.