Contents__eol__Chapter 1 Introducing C 1__eol__1.1 Why programming is important 1__eol__1.2 Why C 2__eol__1.3 History of C 3__eol__1.4 Strengths and Weaknesses of C 4__eol__1.5 How to learn C? 6__eol__1.5.1 Code::Blocks 6__eol__1.5.2 XCODE 13__eol__1.5.3 online compiler 16__eol__1.5.4 How to sign in to ICOURSE (MOOC) and XUETANG 17__eol__1.5.5 Can’t find GNU GCC Compiler 20__eol__1.5.6 I can’t debug 21__eol__quiz 1. 23__eol__Chapter 2 Data Types and Expressions 24__eol__2.1 The General Form of a Simple Program 24__eol__2.2.1 The General Form 27__eol__2.2.2 Variables and Assignment 31__eol__2.2 Character set and Keywords 33__eol__2.2.1 Character set 33__eol__2.2.2 Keywords 34__eol__2.2.3 Identifiers 34__eol__2.3 Data Types 35__eol__2.3.1 integer types 37__eol__2.3.2 floating types 38__eol__2.3.3 Character types 39__eol__2.3.4 void type 41__eol__2.3.5 Variables 42__eol__2.4 Constants and Variables 45__eol__2.4.1 Constants 45__eol__2.5 Operators and Expressions 50__eol__2.5.1 Arithmetic Operators 52__eol__2.5.2 Assignment Operators 54__eol__2.5.3 Increment and Decrement Operators 57__eol__2.5.4 The sizeof Operator 58__eol__2.5.5 The Comma Operator 59__eol__2.5.6 The conditional operator 59__eol__2.5.7 Bitwise Operators 60__eol__2.5.8 Expression Statement 61__eol__2.5.9 Type Conversion 61__eol__quiz 2. 63__eol__Chapter 3 Program control structure 64__eol__3.1 Statement 64__eol__3.2 Input and output 65__eol__3.2.1 Single Character Input/output 66__eol__3.2.2 Formatted Input and Output 68__eol__3.2 The scanf Function 83__eol__3.3 The sequence structure 92__eol__3.4 The selection structure 95__eol__3.4.1 Relational Expressions 97__eol__3.4.2 Logical Expressions 99__eol__3.4.3 The if Statement 102__eol__3.4.5 The switch Statement 112__eol__3.5 The loop structure 119__eol__3.5.1 While loop 120__eol__3.5.2 do while loop 124__eol__3.5.3 for loop 129__eol__3.5.4 Exiting from a Loop 133__eol__Quiz 3 137__eol__Chapter 4 The Preprocessor 141__eol__4.1 Preprocessor Directives 141__eol__4.2 Macro Definitions 142__eol__4.3 File Inclusion 145__eol__Quiz 4 146__eol__Answer 4 146__eol__Chapter 5 Arrays 147__eol__5.1 One-Dimensional Arrays 147__eol__5.1.1 The declaration of a one-dimensional array 147__eol__5.1.2 Access array elements 149__eol__5.1.3 Index 150__eol__5.1.4 Initialization 151__eol__5.1.5 Variable-Length Arrays 152__eol__5.2 Multidimensional Arrays 152__eol__5.2.1 Declaration of a two-dimensional array 152__eol__5.2.2 Variable-Length 2D arrays 154__eol__5.2.3 Initializing a 2D Array 157__eol__5.2.4 Application of the 2D Array 157__eol__Quiz 5. 158__eol__Answer 158__eol__Chapter 6 Functions 160__eol__6.1 Introduction 160__eol__6.2 Defining and Calling Functions 162__eol__6.3 Arguments 168__eol__6.4 The return Statement 170__eol__6.5 Declaration 175__eol__6.6 Array arguments 176__eol__6.7 Recursion 179__eol__6.8 Sort algorithm 180__eol__6.9 Program Organization 188__eol__6.9.1 Scope 188__eol__6.9.2 Local variables and Global variables 189__eol__Quiz 6 195__eol__Answer 196__eol__Chapter 7 Pointers 197__eol__7.1 Pointer Variables 197__eol__7.2 The Address and Indirection Operators 198__eol__7.3 Pointers as Arguments 199__eol__7.4 Pointers as Return Values 201__eol__7.5 Using Pointers for Array 201__eol__7.6 Array Arguments 204__eol__7.9 Pointers and Multidimensional Arrays 205__eol__7.10 Pointers to Functions 207__eol__Quiz 7 208__eol__Answer 209__eol__Chapter 8 Strings 210__eol__8.1 String Constants and Variables 210__eol__8.1.1 String Constants 210__eol__8.1.2 String Variables 211__eol__8.2 Reading and Writing Strings 212__eol__8.2.1 Writing Strings 212__eol__8.2.2 Reading Strings 213__eol__8.3 Accessing the Characters in a String 214__eol__8.4 Using the C String Library 215__eol__8.4.1 strcpy and strncpy 215__eol__8.4.2 strlen 216__eol__8.4.3 strcat and strncat 216__eol__8.4.4 strcmp 217__eol__8.5 sprintf and sscanf 218__eol__8.6