Back To C User Defined Functions Index

---

//program to create two functions that find area and circumference of circle (radius of circle is passed to functions as argument) #include<stdio.h> #include<conio.h> void area(int); void circumference(int); void area(int radius) { float ar; ar=3.14*radius*radius; printf("area of circle is %f",ar); } void circumference(int radius) { float cir; cir=2*3.14*radius; printf("circumference of circle is %f",cir); } void main() { int r; clrscr(); printf("enter radius of circle "); scanf("%d",&r); area(r); circumference(r); getch(); }