power using recursion / recursive function

/*****************************
 *  Umang B Bhatt            *
 *   bhatt.umang7@gmail.com  *
 *****************************/

/**
 * program for finding power using recursion
 */

#include<stdio.h>

int fun(int a,int b)
{

 if(b>1)
 {
  return a*fun(a,b-1);
 }

 else
 {
  return a;
 }
}

void main()
{

 int a =3 ;
 int b = 2;

 printf("\nEnter a: ");
 scanf("%d",&a);
 printf("Enter b: ");

 scanf("%d",&b);
 printf("%d^%d is: %d\n",a,b,fun(a,b));
}