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✦C Tutorial

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✦Features of C

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✦History of C

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✦Environment Setup of C

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✦Power of C

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✦Compilation Process in C

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✦Program Structure

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✦Hello World

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✦Syntax & Statements

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✦Comments

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✦Tokens

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✦Keywords

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✦Identifiers

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✦Types of datatypes

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✦int

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✦char

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✦float

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✦double

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✦void

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✦arrays

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✦pointers

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✦function

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✦Structure

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✦union

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✦enum

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✦Create Variables

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✦Format Specifiers

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✦Change Values

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✦Multiple Variables

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✦Variable Names

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✦Scope Rules

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✦Static Variables

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✦Global Variables

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✦printf scanf

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✦Print Text

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✦New Lines

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✦Escape Sequence

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✦ASCII value

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✦Constants

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✦Literals

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✦Integer Promotions

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✦Boolean

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✦Static in C

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✦Programming Errors

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✦Compile time vs Runtime

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✦2s complement

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✦Type Conversion

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✦Type Casting

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✦Operators

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✦Operators

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✦ArithmetiOperators

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✦Relational Operators

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✦Logical Operators

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✦Bitwise Operators

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✦Assignment Operators

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✦Unary Operators

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✦Increment and Decrement Operators

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✦Ternary Operator

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✦sizeof Operator

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✦Operator Precedence

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✦MisOperators

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✦if

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✦else

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✦else if

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✦Short Hand If

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✦Real-Life Examples

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✦switch statement

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✦nested switch statements

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✦Loops

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✦While loop

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✦For loop

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✦Do...while loop

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✦Nested loop

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✦Infinite loop

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✦Break Statement

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✦Continue Statement

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✦goto Statement

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✦Arrays

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✦Array Size

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✦1-D Array

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✦2-D Array

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✦Accessing Array Elements

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✦Array to Function

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✦Return Array from Function

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✦Variable Length Arrays

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✦Strings

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✦Accessing String Characters

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✦Special Characters

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✦Array of Strings

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✦gets() & puts()

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✦String Functions

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✦String - strlen()

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✦String - strcpy()

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✦String - strcat()

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✦String - strcmp()

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✦String - strrev()

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✦String - strlwr()

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✦String - strupr()

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✦String - strstr()

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✦Functions

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✦Scope

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✦Function Declaration

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✦Main Function

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✦Function Parameters

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✦Function call by Value

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✦Function call by reference

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✦Nested Functions

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✦Variadic Functions

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✦User-Defined Functions

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✦Callback Function

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✦Return Statement

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✦Recursion

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✦Storage Classes

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✦Pointers

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✦Pointers and Arrays

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✦Pointer Arithmetics

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✦Pointer to Pointer

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✦Array of Pointers

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✦Dangling Pointers

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✦const Pointer

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✦void pointer

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✦Dereference Pointer

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✦Null Pointer

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✦Function Pointer

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✦Passing Pointers to Functions

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✦Return Pointer from Functions

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✦Function Pointers

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✦Pointer to an Array

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✦Pointers to Structures

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✦Chain of Pointers

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✦Pointer vs Array

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✦Character Pointers and Functions

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✦Near, Far and Huge Pointers

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✦Initialization of Pointer Arrays

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✦Pointers vs. Multi-dimensional Arrays

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✦Structures

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✦typedef

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✦Structures and Functions

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✦Arrays of Structures

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✦Self-Referential Structures

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✦Lookup Tables

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✦Dot (.) Operator

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✦Enumeration (or enum)

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✦Structure Padding and Packing

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✦Nested Structures

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✦Anonymous Structure and Union

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✦Unions

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✦Bit Fields

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✦Typedef

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✦File Operations

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✦File Opening and Closing

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✦fopen() and fclose()

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✦File Reading

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✦fgetc()

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✦fgets()

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✦fscanf()

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✦File Writing

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✦fputc()

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✦fputs()

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✦fprintf()

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✦File Positioning

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✦fseek()

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✦rewind()

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✦ftell()

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✦Error Handling

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✦perror()

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✦Binary File I/O

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✦fread() and fwrite()

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✦Random Access Files

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✦fseek() and ftell()

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✦Memory Management Introduction

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✦Memory Address

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✦Storage Classes

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✦Allocate Memory

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✦Access Memory

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✦Reallocate Memory

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✦Deallocate Memory

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✦Preprocessor

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✦Macros

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✦#include

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✦#define

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✦#undef

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✦#ifdef

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✦#ifndef

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✦#if

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✦#else

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✦#error

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✦#pragma

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✦C Library Overview

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✦Library - Home

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✦Library - <assert.h>

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✦Library - <complex.h>

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✦Library - <ctype.h>

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✦Library - <errno.h>

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✦Library - <fenv.h>

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✦Library - <float.h>

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✦Library - <inttypes.h>

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✦Library - <iso646.h>

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✦Library - <limits.h>

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✦Library - <locale.h>

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✦Library - <math.h>

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✦Library - <setjmp.h>

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✦Library - <signal.h>

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✦Library - <stdalign.h>

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✦Library - <stdarg.h>

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✦Library - <stdbool.h>

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✦Library - <stddef.h>

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✦Library - <stdio.h>

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✦Library - <stdlib.h>

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✦Library - <string.h>

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✦Library - <tgmath.h>

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✦Library - <time.h>

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✦Library - <wctype.h>

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✦stdio.h intro

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✦Function

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✦fclose()

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✦feof()

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✦ferror()

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✦fgetc()

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✦fgets()

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✦fopen()

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✦fprintf()

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✦fputc()

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✦fputs()

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✦fread()

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✦fscanf()

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✦fseek()

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✦ftell()

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✦fwrite()

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✦getc()

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✦getchar()

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✦printf()

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✦putc()

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✦putchar()

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✦puts()

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✦remove()

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✦rename()

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✦rewind()

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✦scanf()

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✦snprintf()

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✦sprintf()

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✦sscanf()

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✦stdlib intro

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✦Function

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✦abs()

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✦atof()

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✦atoi()

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✦atol()

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✦atoll()

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✦calloc()

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✦div()

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✦exit()

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✦free()

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✦malloc()

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✦qsort()

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✦rand()

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✦realloc()

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✦srand()

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✦string.h intro

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✦Function

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✦memchr()

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✦memcmp()

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✦memcpy()

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✦memmove()

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✦memset()

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✦strcat()

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✦strchr()

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✦strcmp()

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✦strcoll()

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✦strcpy()

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✦strcspn()

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✦strerror()

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✦strlen()

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✦strncat()

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✦strncmp()

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✦strncpy()

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✦strpbrk()

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✦strrchr()

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✦strspn()

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✦strstr()

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✦strtok()

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✦strxfrm()

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✦math intro

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✦Function

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✦acos(x)

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✦acosh(x)

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✦asin(x)

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✦asinh(x)

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✦atan(x)

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✦atan2(y, x)

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✦atanh(x)

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✦cbrt(x)

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✦ceil(x)

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✦copysign(x, y)

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✦cos(x)

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✦cosh(x)

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✦exp(x)

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✦exp2(x)

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✦expm1(x)

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✦erf(x)

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✦erfc(x)

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✦fabs(x)

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✦fdim(x)

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✦floor(x)

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✦fma(x, y, z)

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✦fmax(x, y)

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✦fmin(x, y)

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✦fmod(x, y)

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✦frexp(x, y)

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✦hypot(x, y)

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✦ilogb(x)

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✦ldexp(x, y)

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✦lgamma(x)

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✦llrint(x)

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✦llround(x)

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✦log(x)

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✦log10(x)

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✦log1p(x)

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✦log2(x)

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✦logb(x)

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✦lrint(x)

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✦lround(x)

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✦modf(x, y)

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✦nan(s)

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✦nearbyint(x)

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✦nextafter(x, y)

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✦nexttoward(x, y)

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✦pow(x, y)

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✦remainder(x, y)

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✦remquo(x, y, z)

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✦rint(x)

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✦round(x)

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✦scalbln(x, y)

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✦scalbn(x, y)

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✦sin(x)

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✦sinh(x)

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✦sqrt(x)

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✦tan(x)

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✦tanh(x)

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✦tgamma(x)

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✦trunc(x)

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✦ctype intro

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✦Function

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✦isalnum()

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✦isalpha()

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✦isblank()

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✦iscntrl()

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✦isdigit()

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✦isgraph()

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✦islower()

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✦isprint()

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✦ispunct()

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✦isspace()

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✦isupper()

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✦isxdigit()

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✦tolower()

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✦toupper()