Learn C with Real Code Examples
Updated Nov 27, 2025
Learning Path
Learn basic syntax and control structures
Understand pointers and memory management
Master structs, arrays, and functions
Implement standard data structures and algorithms
Build system-level or embedded applications
Skill Improvement Plan
Week 1: Learn variables, loops, and functions
Week 2: Practice pointers and arrays
Week 3: Implement structs and file I/O
Week 4: Work on memory management and dynamic allocation
Week 5: Build small system programs and practice debugging
Interview Questions
What is C and why is it important?
Explain pointers and memory management
How does C handle I/O operations?
What are structs and unions used for?
Compare C with C++ and other modern languages
Cheat Sheet
gcc file.c -o output - compile C program
./output - run compiled program
#include <stdio.h> - include standard I/O library
int *ptr; - declare pointer
malloc/free - dynamic memory allocation and deallocation
Books
The C Programming Language (K&R)
C Primer Plus
Expert C Programming
Head First C
21st Century C
Tutorials
Getting started with C programming
Pointers and memory management
Structs, arrays, and functions
File I/O and standard libraries
Advanced topics: concurrency, networking, and embedded programming
Official Docs
https://en.cppreference.com/w/c
ISO/IEC C standards documentation
GCC and Clang manuals
Community Links
StackOverflow C tag
Reddit r/C_Programming
C GitHub repositories
Online tutorials and courses
Open-source projects in C
Community Support
C GitHub repositories
StackOverflow C tag
C programming forums and mailing lists
Books and online tutorials
Open-source C projects for reference