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

int main(void)
{
    struct dirent *dirent;
    DIR *dir;

    dir = opendir(".");

    while ((dirent = readdir(dir)) != NULL) {
        fprintf(stdout, "%s\n", dirent->d_name);
    }

    exit(EXIT_SUCCESS);
}