#define _XOPEN_SOURCE 700

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

int main(void) {

    DIR * directory = opendir(".");
    if (directory == NULL) {
        perror("opendir");
        return EXIT_FAILURE;
    }

    readdir(directory);
    long position = telldir(directory);

    struct dirent * entry = readdir(directory);
    if (entry != NULL) {
        printf("Avant seekdir : %s\n", entry->d_name);
    }

    seekdir(directory, position);

    entry = readdir(directory);
    if (entry != NULL) {
        printf("Après seekdir : %s\n", entry->d_name);
    }

    closedir(directory);
    return EXIT_SUCCESS;
}