In this C Tutorial, you’ll learn all C programming basic to advanced concepts like variables, arrays, pointers, strings, loops, etc. This C Programming Tutorial is designed for both beginners as well as experienced professionals, who’re looking to learn and enhance their knowledge of the C programming language.

C Programming Language Tutorial

C Language Introduction Features of C Programming Language C Programming Language Standard C Hello World Program Compiling a C Program: Behind the Scenes C Comments Tokens in C Keywords in C

C Variables Constants in C Const Qualifier in C Different ways to declare variable as constant in C Scope rules in C Internal Linkage and External Linkage in C Global Variables in C

Data Types in C Literals in C Escape Sequence in C bool in C Integer Promotions in C Character Arithmetic in C Type Conversion in C

Basic Input and Output in C Format Specifiers in C printf in C scanf in C Scansets in C Formatted and Unformatted Input/Output functions in C with Examples

Operators in C Arithmetic Operators in C Unary operators in C Relational Operators in C Bitwise Operators in C C Logical Operators Assignment Operators in C Increment and Decrement Operators in C Conditional or Ternary Operator (?:) in C sizeof operator in C Operator Precedence and Associativity in C

Decision Making in C (if , if..else, Nested if, if-else-if ) C - if Statement C if...else Statement C if else if ladder Switch Statement in C Using Range in switch Case in C C - Loops C for Loop while loop in C do...while Loop in C For Versus While Continue Statement in C Break Statement in C goto Statement in C

C Functions User-Defined Function in C Parameter Passing Techniques in C Function Prototype in C How can I return multiple values from a function? main Function in C Implicit return type int in C Callbacks in C Nested functions in C Variadic functions in C _Noreturn function specifier in C Predefined Identifier __func__ in C C Library math.h Functions

C Arrays Properties of Array in C Multidimensional Arrays in C Initialization of Multidimensional Array in C Pass Array to Functions in C How to pass a 2D array as a parameter in C? What are the data types for which it is not possible to create an array? How to pass an array by value in C ? Strings in C Array of Strings in C What is the difference between single quoted and double quoted declaration of char array? C String Functions

C Pointers Pointer Arithmetics in C with Examples C - Pointer to Pointer (Double Pointer) Function Pointer in C How to declare a pointer to a function? Pointer to an Array | Array Pointer Difference between constant pointer, pointers to constant, and constant pointers to constants Pointer vs Array in C Dangling, Void , Null and Wild Pointers in C Near, Far and Huge Pointers in C restrict keyword in C

C Structures dot (.) Operator in C C typedef Structure Member Alignment, Padding and Data Packing Flexible Array Members in a structure in C C Unions Bit Fields in C Difference Between Structure and Union in C Anonymous Union and Structure in C Enumeration (or enum) in C

Storage Classes in C extern Keyword in C Static Variables in C Initialization of static variables in C Static functions in C Understanding "volatile" qualifier in C | Set 2 (Examples) Understanding "register" keyword in C

Memory Layout of C Programs Dynamic Memory Allocation in C using malloc(), calloc(), free() and realloc() Difference Between malloc() and calloc() with Examples What is Memory Leak? How can we avoid? Dynamic Array in C How to dynamically allocate a 2D array in C? Dynamically Growing Array in C

C Preprocessors C Preprocessor Directives How a Preprocessor works in C? Header Files in C What’s difference between header files "stdio.h" and "stdlib.h" ? How to write your own header file in C? Macros and its types in C Interesting Facts about Macros and Preprocessors in C # and ## Operators in C How to print a variable name in C? Multiline macros in C Variable length arguments for Macros Branch prediction macros in GCC typedef versus #define in C Difference between #define and const in C?

Basics of File Handling in C C fopen() function with Examples EOF, getc() and feof() in C fgets() and gets() in C language fseek() vs rewind() in C What is return type of getchar(), fgetc() and getc() ? Read/Write Structure From/to a File in C C Program to print contents of file C program to delete a file C Program to merge contents of two files into a third file What is the difference between printf, sprintf and fprintf? Difference between getc(), getchar(), getch() and getche()

time.h header file in C with Examples Input-output system calls in C | Create, Open, Close, Read, Write Signals in C language Program error signals Socket Programming in C _Generics Keyword in C Multithreading in C

C Programming Interview Questions (2024) Commonly Asked C Programming Interview Questions | Set 1 Commonly Asked C Programming Interview Questions | Set 2 Commonly Asked C Programming Interview Questions | Set 3