WAP in C for function without argument and without return type?

#include<stdio.h>
#include<conio.h>
void area(); // Declaration
void main()
{
clrscr();
area();
getch();
}

void area()
{
float ar;
float rad;
printf(“\nEnter the radius : “);
scanf(“%f”,&rad);
ar = 3.14 * rad * rad ;
printf(“Area of Circle = %f”,ar);
}

Output :-

noarnoret

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