#include <dirent.h>
#include <errno.h>
#include <sys/types.h>
#include <stdio.h>

int main(int argc, char *argv[]) {
	DIR *dir;
	struct dirent *entry;

	if (argc != 2) return 1;
	if ((dir = opendir(argv[1])) == NULL){
		perror("dir open error");
		return 1;
	}
	else {
		while((entry = readdir(dir)) != NULL)
			printf("inode = %d  filename = %s\n",
					(int)entry->d_ino, entry->d_name);
	}
	closedir(dir);
	return 0;
}