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


int main(int argc, char** argv)
{
	DIR *dir;
	struct dirent *entry;
	char cwd[1000];

	if (getcwd(cwd, sizeof(cwd)) == NULL)
		perror("getcwd() error");

	if (argc == 2)
		strcpy(cwd, argv[1]);

	if ((dir = opendir(cwd)) == NULL)
		perror("blad opendir");
	else
	{
		printf("Dir: %s\n", cwd);
		while ((entry = readdir(dir)) != NULL)
			printf(" %s\n", entry ->d_name);

	closedir(dir);
	}

	return 0;
}