C script to split numbers into digits

C

/* compile using gcc digits.c -lm -o digits */

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

#define DIGITS 5

void die(const char *message){
	
	if(errno){
		perror(message);
	} else{
		printf("ERROR: %s\n", message);
	}
	exit(1);
}

int main(int argc, char *argv[]){
	
	int i = 0;
	int tmp;
	int tmp2;
	
	for(i = 1; i < argc; i++){
		tmp = atoi(argv[i]);
		int test = floor(log10 (abs (tmp))) + 1;
		
		if(test > DIGITS) die("Number is too large");
		
		int j = 0;
		
		printf("Number: %d\n", tmp);
		
		for(j = 0; j < DIGITS; j++){
			tmp2 = pow(10,j);
			printf("Number of %d's = %d\n", tmp2, tmp/tmp2 % 10);
		}
		
		printf("\n");
	}
	return 0;
}