Lessons
An introduction to writing C
C · Introductory. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
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Lesson 1 · On the house
Hello, printf, and main
The smallest C program that talks back.

Lesson 2
Variables and types
int, double, and declarations.

Lesson 3
Operators and expressions
Arithmetic and assignment.

Lesson 4
If and else
Branches with braces.

Lesson 5
While and for
Loops.

Lesson 6
Arrays
Fixed contiguous storage.

Lesson 7
Strings as char arrays
Null-terminated C strings.

Lesson 8
Functions
Declarations and definitions.

Lesson 9
Pointers intro
Addresses with * and &.

Lesson 10
A small C program
Compose types, loop, and a function.
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