Episode 1: C programming Overview

Structure of C Program

The basic structure of C program is as follow:

	Document Section Links Section (File) Definition Section Global variable declaration Section void main() {     Variable declaration section     Function declaration section     executable statements; } Function definition 1 --------------------- --------------------- Function definition n

Document Section :

It consists of set of comment lines which include name of a program, author name, creation date and other information.

Links Section (File) :

It is used to link the required system libraries or header files(#include<header_file_name>) to excute a program.

Definition Section :

 It is used to define or set values to variables (#define variable_name value).

Global variable declaration Section :

It is used to declare global or public variable (Before the main()) .

void main() :

Used to start of actual C program. It includes two parts as declaration part and executable part.

Variable declaration section :

Used to declare private variable. (In the main()).

Function declaration section :

Used to declare functions of program from which we get required output.

Then, executable statements are placed for execution.
Function definition section :
 Used to define functions which are to be called from main().

Written by "Shojib"