Chapter 01 of 66 min read
C Language Fundamentals & main()
Understand compiled machine code, header files, and the standard I/O library.
The Mother of Modern Languages
Created by Dennis Ritchie at Bell Labs, C is the foundation upon which operating systems (Linux, Windows, macOS), game engines, and modern interpreters are built.
C / C++ Example • Chapter 01
#include <stdio.h>
int main() {
printf("======================================\n");
printf("💻 Welcome to WeBotApp C Systems Lab\n");
printf("Location: Guwahati, Assam\n");
printf("======================================\n");
return 0;
}💡 Click "Try in Editor" to run, edit, and experiment with this code in our live split-view environment.100% Live Preview
Key Concepts • Chapter 01
- •Every C program begins in int main() and ends with return 0;.
- •#include <stdio.h> imports standard input/output functions like printf.
- •Statements in C must terminate with a semicolon.
🎯 Chapter Practice Challenge
Add a printf line outputting your name.