#include <async.h>#include <aios.h>#include <db.h>#include <id_utils.h>#include <merkle_tree_bdb.h>intmain (int argc, char *argv[]){  setprogname (argv[0]);  if (argc < 2)    fatal <<  "Usage: " << progname << " [-c] merkletreebdb\n";    bool check = false;  char *path = argv[1];  if (!strcmp (path, "-c")) {    path = argv[2];    check = true;  }  ptr<merkle_tree_bdb> tree = NULL;  if (merkle_tree_bdb::tree_exists (path)) {    // Handle case where path is given directly    tree = New refcounted<merkle_tree_bdb> (path, true, true);  } else {    // Handle case where path may owned by adbd.    char pathbuf[PATH_MAX];    sprintf (pathbuf, "%s/mtree", path);    tree = New refcounted<merkle_tree_bdb> (pathbuf, true, true);    // Fatal if this tree does not exist.  }  if (check)    tree->check_invariants ();  chordID lastread = 0;  chordID maxid = (chordID (1) << 160) - 1;  vec<chordID> keys = tree->get_keyrange (0, maxid, 64);  while (keys.size ()) {    for (size_t i = 0; i < keys.size (); i++)      aout << keys[i] << "\n";    lastread = keys.back ();    if (keys.size () < 64)      break;    keys = tree->get_keyrange (incID (lastread), maxid, 64);  }}