Boolean (bool) in C Explained | True, False, 0 vs Non-Zero

Uploaded July 2026 | Updated September 2026, 1 week ago

In this video, you'll learn how Boolean values (bool) work in the C programming language. We'll understand why computers use True and False, how 0 represents false and non-zero values represent true, and how to use the bool data type in C.

You'll also learn:

What truth values are in C
0 vs Non-zero values
True and False in C
bool data type
stdbool.h explained
C99 vs C23 Boolean support
Printing Boolean values using printf()
Size of bool in C
Beginner-friendly examples

This tutorial is perfect for beginners learning C programming from scratch.

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