WAP in C for function with argument and return type?

#include<stdio.h>
#include<conio.h>
float calculate_area(int);
int main()
{
int radius;
float area;
clrscr();
printf(“\nEnter the radius of the circle : “);
scanf(“%d”,&radius);
area = calculate_area(radius);
printf(“\nArea of Circle : %f “,area);
getch();
return(0);
}
float calculate_area(int radius)
{
float areaofcircle;
areaofcircle = 3.14 * radius * radius;
return(areaofcircle);
}

Output :-

arguret

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