#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>

struct hive_h {
  void *addr;
};
struct ntreg_hbin_block {
  char id[2];
};
typedef size_t hive_node_h;

#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
#define BLOCK_ID_EQ(h,offs,eqid) \
  (STREQLEN (((struct ntreg_hbin_block *)((h)->addr + (offs)))->id, (eqid), 2))

static size_t
insert_lf_record (struct hive_h *h, size_t old_offs, size_t posn,
                  const char *name, hive_node_h node)
{
  assert (BLOCK_ID_EQ (h, old_offs, "lf") || BLOCK_ID_EQ (h, old_offs, "lh"));
}