This is the in-progress free version of Learn C the Hard Way. It was just converted to a new format so things might be missing or formatted wrong. Email help@learncodethehardway.org to report any problems.
Table Of Contents
- Preface
- Introduction: The Cartesian Dream Of C
- Exercise 0: The Setup
- Exercise 1: Dust Off That Compiler
- Exercise 2: Make Is Your Python Now
- Exercise 3: Formatted Printing
- Exercise 4: Introducing Valgrind
- Exercise 5: The Structure Of A C Program
- Exercise 6: Types Of Variables
- Exercise 7: More Variables, Some Math
- Exercise 8: Sizes And Arrays
- Exercise 9: Arrays And Strings
- Exercise 10: Arrays Of Strings, Looping
- Exercise 11: While-Loop And Boolean Expressions
- Exercise 12: If, Else-If, Else
- Exercise 13: Switch Statement
- Exercise 14: Writing And Using Functions
- Exercise 15: Pointers Dreaded Pointers
- Exercise 16: Structs And Pointers To Them
- Exercise 17: Heap And Stack Memory Allocation
- Exercise 18: Pointers To Functions
- Exercise 19: A Simple Object System
- Exercise 20: Zed's Awesome Debug Macros
- Exercise 21: Advanced Data Types And Flow Control
- Exercise 22: The Stack, Scope, And Globals
- Exercise 23: Meet Duff's Device
- Exercise 24: Input, Output, Files
- Exercise 25: Variable Argument Functions
- Exercise 26: Write A First Real Program
- Exercise 27: Creative And Defensive Programming
- Exercise 28: Intermediate Makefiles
- Exercise 29: Libraries And Linking
- Exercise 30: Automated Testing
- Exercise 31: Debugging Code
- Exercise 32: Double Linked Lists
- Exercise 33: Linked List Algorithms
- Exercise 34: Dynamic Array
- Exercise 35: Sorting And Searching
- Exercise 36: Safer Strings
- Exercise 37: Hashmaps
- Exercise 38: Hashmap Algorithms
- Exercise 39: String Algorithms
- Exercise 40: Binary Search Trees
- Exercise 41: Using Cachegrind And Callgrind For Performance Tuning
- Exercise 42: Stacks and Queues
- Exercise 43: A Simple Statistics Engine
- Exercise 44: Ring Buffer
- Exercise 45: A Simple TCP/IP Client
- Exercise 46: Ternary Search Tree
- Exercise 47: A Fast URL Router
- Exercise 48: A Tiny Virtual Machine Part 1
- Exercise 48: A Tiny Virtual Machine Part 2
- Exercise 50: A Tiny Virtual Machine Part 3
- Exercise 51: A Tiny Virtual Machine Part 4
- Exercise 52: A Tiny Virtual Machine Part 5
- Next Steps
- Deconstructing K&R C
Frequently Asked Questions
- How long does this course take?
- You should take as long as it takes to get through it, but focus on doing work every day. Some people take about 3 months, others 6 months, and some only a week.
- What kind of computer do I need?
- You will need either an OSX or Linux computer to complete this book.
