</> syntax.

SYNTAX / C / READY COURSE

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Learn C with a structured path of guided examples, lesson questions, practical checks, and saved progress.

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01 / FIRST SAMPLE

C lesson example

C
puts("Hello, world!");

Guided C lessons and server-checked questions are available. The workspace will tell you whether this browser can run C code.

02 / QUESTIONS

Before you start

Is there a complete guided course?

The C learning path is open with guided lessons and server-checked questions. Code execution availability is shown in the workspace.

Do I need an account?

You can read the public pages without signing in. A free account is needed to save and verify most learning progress.

What does Syntax cost?

Core lessons are free to read. Optional one-time passes and current limits are listed on the Plans page.