Category: C Tutorial

C time.h Library The time.h library in C provides functions and types for date and time operations. It is widely used for: Measuring time Generating timestamps Creating delays Random number seeding 📌 Key Types...

C ctype.h Library The ctype.h library in C provides functions to test and manipulate characters. It’s very useful for validating input, parsing text, and formatting strings. All functions in ctype.h work with int values...

C math.h Library The math.h library in C provides a set of mathematical functions for calculations like exponentiation, logarithms, trigonometry, rounding, and more. It’s widely used in scientific, engineering, and graphics applications. Note: Always...

C string.h Library The string.h library in C provides functions to manipulate and handle strings (character arrays). It’s one of the most widely used libraries for string operations. 📌 Common String Functions 1️⃣ String...

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...