#include <stdio.h>
#include <errno.h>
extern int errno;

#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include "err_sys.c"

/* Antet: defineste structura unui segment de memorie partajata */
struct segment
{
  int n;
  char c;
}
#define CHEIE	(key_t) (12345)
#define LUNGIME	sizeof(struct segment)