Program showing Recursion function Example in C

#include              
/* Contains prototype for printf    */
void count_dn(int count);      
/* Prototype for count_dn           */

int main()
{
int index;

   index = 8;
   count_dn(index);

   return 0;
}


void count_dn(int count)
{
   count--;
   printf("The value of the count is %d\n", count);

   if (count > 0)
      count_dn(count);

   printf("Now the count is %d\n", count);
}



/* Output of Program.

The value of the count is 7
The value of the count is 6
The value of the count is 5
The value of the count is 4
The value of the count is 3
The value of the count is 2
The value of the count is 1
The value of the count is 0
Now the count is 0
Now the count is 1
Now the count is 2
Now the count is 3
Now the count is 4
Now the count is 5
Now the count is 6
Now the count is 7

*/