Month 3 · Week 11 of 40

Structs, Strings & File I/O

Model complex entities and persist data to disk.

Enroll Now to Start Week 11 View Month 3 Overview

Week Overview

Learn how to encapsulate heterogeneous data using structs and typedef. Read and write binary and text files using the C standard library, and understand memory padding and struct alignment.

Core Concepts & Topics

Struct Definition, Initialization & Arrow Operator (->)
Typedef Aliasing for Clean Code
File Operations (fopen, fclose, fread, fwrite, fgets)
Binary vs Text File Storage
Struct Memory Padding & Alignment
Hands-On Challenge

Week 11 Project: Binary database engine that stores, queries, and updates structured user records from disk.

Every week at DoxaTech Hub requires submitting real working code tested by our automated grading suite. You will push code to your personal GitHub repository, open pull requests, and receive instant feedback.

Frequently Asked Questions

Why is the arrow operator (->) used with structs?

The arrow operator is shorthand for dereferencing a struct pointer before accessing a member (e.g. ptr->name is identical to (*ptr).name).

Previous
Week 10: Pointers & Memory Addresses
Next
Week 12: Dynamic Memory Allocation & Valgrind
Interactive Learning

Ready to Build This?

Sign up now to access full video lessons, downloadable study PDFs, autograded programming challenges, and mentor support.

Start Learning Today View Pricing Plans

Month 3 Modules

This week is part of Systems Programming in C.

Explore Full Month 3

Helpful Guides & Cheatsheets