c-program-structure

c-basic structure

In basic structure of c program it has a main-function .But in arduino software it has 2 function called setup-function and update-function the code execute from the setup-function

let we see what are the basic structure of a program

For c program the basic structures are

1. headerfile
2. global variable
3. main()-function
4. statement
5. user-define function

Example for basic structure of c

#include<stdio.h>     //header file

#include<conio.h>      //header file

int a=2,b=3,c;      //global variable

void main()      // main function start

{

clrscr();

c=a+b;

printf("the a+b=%d",c);

getch();

}      // main function end

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