1. INTRODUCTION TO C

4. Steps in learning C Character Set Programs Instructions Tokens

5. C Character Set C Character Set Execution Character Set Source Character Set Special Characters Digits Alphabets Escape Sequence White Spaces

7. Source Character Set Letters a to z ,A to Z Digits 0 to 9 Special Characters ! @ # $ % ^ & * ( ) _ - + = | { } [ ] etc,. White Spaces Blank Space ,Horizontal tab, New line, Vertical tab etc,.

10. Executable Character Set Characters Escape Sequence Back Space Horizontal Space Vertical Space Newline

12. C Tokens (Cont) C Tokens Identifiers Eg:main, avg Keywords Eg: int, for operators Eg: + - Strings Eg: “ab” spI symbol Eg: # $ % Constants Eg:17, 15.5

13. Executing a C Program Creating the Program Compilation Linking Execution

16. Structure of C program DOCUMENTATION SECTION PREPROCESSOR SECTION DEFINITION SECTION GLOBAL DECLARATION SECTION main() { Declaration part; Executable Part; } sub program section { Body of the subprogram; }