C in 100 Seconds: Your First C Program | Episode 1

Your first C program in 100 seconds. Six lines. One compile. One output. Include stdio for printf. Write main. Print a message. Return zero. Compile with gcc. Run it. That is C. C is fast, low-level, and everywhere — operating systems, databases, embedded devices. This is where it starts. Student code: https://github.com/GoCelesteAI/c-in-100-seconds/tree/main/episode01 What You'll Learn: • #include stdio.h — importing the standard I/O library • int main() — every C program starts here • printf() — printing to the screen • return 0 — telling the OS everything worked • gcc — compiling C to a binary • ./hello — running your program Next: Episode 2 — Variables and Types #c #programming #100seconds #learnc #gcc #printf #tutorial #coding #cprogramming #fireship Tags c programming, c in 100 seconds, learn c, first c program, gcc compile, printf c, c tutorial 2026, c beginner, coding tutorial, 100 seconds, fireship style, learn to code