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

#define PATH_MAX 4096


void parcours_rep(char *path, char *end)
{
        struct dirent *lecture;
        struct stat statbuf;
        DIR *rep;

        printf("%s\n", path);

        if (lstat(path, &statbuf))  // on saute si lstat échoue
                return;

        if (S_ISLNK(statbuf.st_mode))  // on saute les symlinks;
                return;

        if (!(rep = opendir(path)))
                return;  // opendir échoue, on se contente de retourner

        *end++ = '/';   // on ajoute un / a la fin du path

        while ((lecture = readdir(rep)))//parcours des elements du repertoire
        {
                if (lecture->d_name[0] == '.')
                        continue;
                strcpy(end, lecture->d_name);
                parcours_rep(path, end + strlen(lecture->d_name));
        }

        closedir(rep);
}

int main()
{
        char path[4096] = "/";
        parcours_rep(path, path + strlen(path));
        return 0;
}