//VERSION 1

#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/wait.h>
#include<string.h>

#define num_directories 3

int main(int argc, char *argv[])
{
        char *buffer[num_directories];

        for (int i=0; i<num_directories; i++) {
                printf("Inserisci stringa %d\n",i+1);
                scanf("%ms", &buffer[i]);
                }

        int residual_fork = num_directories, status;

        another_fork:

        if (fork()>0) {
                wait(&status); }
        else {
                if (residual_fork>0) {
                        printf("\nChild %d\n",getpid());
                        execlp("ls","ls",buffer[residual_fork-1],NULL);
                        residual_fork--;
                        goto another_fork; }
                else {
                        exit(0); }
        }

}