Write a program in C to find narcissistic decimal numbers within a specific range

# include <stdio.h>
# include <stdlib.h>
# include <stdbool.h>
# include <math.h>


int main() 
{
    int nl,nu;
	printf("\n\n Find the narcissistic decimal numbers between a specific range: \n");
	printf(" --------------------------------------------------------------------\n");
 	printf(" Input the lower limit: ");
    scanf("%d",&nl);	
	printf(" Input a upper limit: ");
    scanf("%d",&nu);		
	printf(" The narcissistic decimal numbers between %d and %d are: \n",nl,nu);
    int i,ctr,j,orn,n,m,sum;
    for(orn=nl;orn<=nu;orn++)
    {
    ctr=0;
    sum=0;
    n=orn;
       while(n>0) 
       {
          n=n/10;
           ctr++;
       }
        n=orn;
       while(n>0) 
       {
          m=n % 10;
          sum=sum+pow(m,ctr);
          n=n/10;
       }
       if(sum==orn)
       {
           printf(" %d ",orn);
    }
}
	printf("\n");
}