为什么这个程序无法正常输出水仙花

#include<stdio.h>
int nar(int n)
{int i,j,k,l;
i=n%10;
j=n/10%10;
k=n/100%10;
l=n/1000;
if(n==iii+jjj+kkk+lll)return n;
}
int main()
{
int i,j,k,m;
for(m=100;m <=9999;m++)
{
printf("%d\n",nar(m));
}
}
#include<stdio.h>
int nar(int n)
{int i,j,k,l;
i=n%10;
j=n/10%10;
k=n/100%10;
l=n/1000;
if(n==iii+jjj+kkk+lll)return n;
}
int main()
{
int i,j,k,m;
for(m=100;m <=9999;m++)
{
printf("%d\n",nar(m));
}
}