Armstrong number series

#include<stdio.h>
#include<conio.h>

void main()
{
   int r;
   long number = 0, i, sum = 0, temp;
   clrscr();

   printf("\n\tEnter the maximum range upto which you want to find armstrong numbers : ");
   scanf("%ld",&number);

   printf("\n\tFollowing armstrong numbers are found from 1 to %ld\n",number);

   for( i = 1 ; i <= number ; i++ )
   {
      temp = i;
      while( temp != 0 )
      {
     r = temp%10;
     sum = sum + r*r*r;
     temp = temp/10;
      }
      if ( i == sum )
     printf("\n\t%ld\n", i);
      sum = 0;
   }

   getch();
}