What is structure of C?(BCA-2 semester)

 Definition of structure of C:-

Document section

link section

define section

main function

{

Body of program

}

program to find radius of circle:-

# include<studio.h>

#include<conio.h>

void main()

{

int r;

float A;

printf( "enter the radius")

scanf("%d; & r);

A= 3.14*r*r;

printf("%f", A);

getch ();

}

operation on bit:-

AND &&

OR ll

NOT!

1 complement A

2 complement A+1