C stdlib.h Library The stdlib.h library in C stands for Standard Library. It provides general-purpose functions for: Memory management Program control Conversions Random numbers Searching and sorting It is one of the most commonly...
C stdio.h Library The stdio.h library stands for Standard Input/Output in C. It provides functions for input, output, file handling, and formatting. Most C programs rely on it. 📌 Common stdio.h Functions 1️⃣ Input...
C Keywords Reference C keywords are reserved words that have special meaning in the C language. You cannot use them as variable names, function names, or identifiers. They form the core syntax of C....
C Projects: Mini Examples for Practice Once you understand C basics, functions, modular programming, and file handling, building small projects helps solidify knowledge and gain practical experience. Here are some beginner-to-intermediate project ideas with...
C Header Files & Modular Programming Organizing C code using header files and modular programming is essential for building large, maintainable, and reusable programs. 📌 What is a Header File? A header file has...
C Makefile & Build Automation As C projects grow larger with multiple source files, manually compiling each file and linking them becomes tedious.Makefiles automate the build process. 📌 What is a Makefile? A Makefile...
C Compiler & Linking Process C programs go through several stages before becoming an executable. Understanding this helps in debugging, organizing code, and optimizing compilation. 📌 C Program Compilation Stages When you run gcc...
C Fixed Width Integers Fixed-width integers were introduced in C99 to ensure variables always have a predictable size (in bits), regardless of system or compiler differences. For example, on one system an int may...
C Bitwise Operators Bitwise operators in C allow you to manipulate individual bits of integers. They are commonly used in: ✔ Low-level programming✔ Embedded systems✔ Network programming✔ Performance-critical code✔ Device drivers and microcontrollers These...
C Storage Classes Storage classes in C define the scope, lifetime, and visibility of variables and functions within a program. They tell the compiler: ✔ Where the variable is stored✔ How long the variable...
