#include "idx.h"
#include "fsc.h"
#include "did.h"
+#include <unistd.h>
+#include <sys/types.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#ifndef MIN
# define MIN(x, y) (((x) > (y)) ? (y) : (x))