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

main() {
  char* argv[5];
  argv[0]=(char*)malloc(10);
  argv[1]=(char*)malloc(10);
  strcpy(argv[0],"ls");
  strcpy(argv[1],"-l");
  argv[2]=NULL;
  printf("Acum execut ls.\n");
  execvp("ls",argv);
}