#include <fcntl.h>           /* For O_* constants */
#include <sys/stat.h>        /* For mode constants */
#include <semaphore.h>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cerrno>

using namespace std;

int
main(void) {
  const char *nombres[] = { "notabaco", "nopapel", "nocerilla" };

  for (int i = 0; i < 3; ++i) {
    if (sem_unlink(nombres[i]) == -1) {
      cerr << "Error borrando los semaforos: " << strerror(errno) << endl;
    }
  }

  return EXIT_SUCCESS;
}