#include <stdio.h>
#include <dirent.h>

int main(int argc, char **argv)
{
	DIR *dp;
	struct dirent *ep;
	int nr;

	if (argc != 2) {
		printf("usage: %s dirname\n", argv[0]);
		return 0;
	}
	dp = opendir (argv[1]);
	if (dp == NULL) {
		perror("openfailed");
		return 0;
	}
	nr = 0;
	while ((ep = readdir(dp))) {
		printf("\"%s\", len %d, off %ld\n",
		       ep->d_name, ep->d_reclen, ep->d_off);
		nr ++;
	}
	closedir(dp);

	printf("%d entried are read\n", nr);
	return 0;
}