include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "lib.h"
#define Malloc(type,n) (type *)malloc((n)*sizeof(type))
x_space* new_space(){
  x_space *space = Malloc(x_space,1000);
  return space;
}
void destroy_space(x_space *space){
  free(space);
}